人教版高一英語必修三Unit4全套課件

1、Lead-inThe background picture is the whole cosmoskzms/universe ().What do you know about it?大家好1Lead-inThe background picture Its the Galaxy(銀河系).大家好2Its the Galaxy(銀河系).大家好2Theyre planets(行星) and stars(恒星).大家好3Theyre planets(行星) and stars(Its the black hole.大家好4Its the black hole.大家好4Its the solar

2、system. Can you enumeratenju:mret(列舉) the planets?，大家好5Its the solar system. ，大家好5History of the Universe大家好6History of the Universe大家好6Unit 4Astronomy : the Science of the Stars大家好7Unit 4Astronomy : 大家好7Science SubjectsPhysics ChemistryBiologyGeology MathematicsMedicineBiochemistryGeophysicsAstrono

3、myWarming up大家好8Science SubjectsPhysics MedHawking and his theories大家好9Hawking and his theories大家好9Can you name them in English?大家好10Can you name them in English?大Mercurym:kjriVenusvinsEarthMarsJupiterdu:pt(r)Saturnst:nUranusjrnsNeptuneneptju:nPlutoplu:tu The SunThe Solar System大家好11MercuryVenusEart

4、hMarsJupiterA Black Hole大家好12A Black Hole大家好12The Moon大家好13The Moon大家好13The Big Bang大家好14The Big Bang大家好14Atom大家好15Atom大家好15The Globe Our Earth大家好16The Globe Our Earth大家好16Atmosphere (大氣層)大家好17Atmosphere (大氣層)大家好17Reading 1. Fast Reading, and analyze its structure. Write down the main idea for each

5、paragraph.大家好18Reading 1. Fast Reading, and aAnswer key for question 1:Paragraph 1: A widely accepted theory about the formation of the universe.Paragraph 2: The formation of water for life.Paragraph 3: The importance of water for life.Paragraph 4: The development of plants and animals on the earth.

6、Paragraph 5: The arrival of humans and their impact on the earth.大家好19Answer key for question 1:Para3. Detailed Reading: Read the text loudly for a second time and then complete the fills in the following pictures according to the evolution(進(jìn)化，演變) order of life on the earth.12345678大家好203. Detailed

7、Reading: 12345678大Answer key for question 3: small plants in water shellfish and all sorts of fish green plants on land insects (on land) amphibians (on land and in water) forests reptiles (on land) dinosaurs (on land) mammals (on land)大家好21Answer key for question 3: smaExplanation天文學(xué) n. Astronomy i

8、s the scientific study of the stars, planets, and other natural objects in space.1. astronomy相關(guān)短語radar astronomy 雷達(dá)天文學(xué) radio astronomy 電波(無線電)天文學(xué) 大家好22Explanation天文學(xué) n. 1. astronom2. star(1)名詞 (pl. stars)1）星,恒星;(日、月等)天體;星形物; 2）星號(hào);(表示等級等的)星級;星形勛章, 如： While in Taipei she stayed at a four star hotel. 她

9、在臺(tái)北逗留期間住在一家四星級旅館。 3）命運(yùn);星象 4）(電影、體育等的)明星,杰出人物 His wish to become a football star has come true. 他想當(dāng)足球明星的愿望實(shí)現(xiàn)了。 大家好232. star(1)名詞 (pl. stars)大家好23(2)動(dòng)詞（及物） ( starred; starred; starring)1）用星形物裝飾 2）用星號(hào)標(biāo)出 3）使成明星,由主演 Yesterday we saw a film starring Charlie Chaplin. 昨天我們看了一部查理卓別林主演的電影。 3. 動(dòng)詞（不及物） ( starre

10、d; starred; starring)1）當(dāng)明星,主演。如：She has starred in some thirty films. 她主演過大約30部影片。 star大家好24(2)動(dòng)詞（及物） ( starred; starred; 2）表現(xiàn)出色 。如：He didnt star at that job. 那份工作他干得并不出色。 (4) 形容詞 1）星的;星形的 2）明星的,主角的 3）出色的,優(yōu)秀的。如：Tony is the star player on our team. 托尼是我隊(duì)的主力。 star大家好25 star大家好253. globe（1） 名詞 (pl. glo

11、bes)1) 球;球狀物 2) 地球儀;地球。如：This plant can grow in many parts of the globe. 這種植物能在地球上的許多地方生長。 3) 眼球 （2） 動(dòng)詞（不及物） ( globed; globed; globing) 成球狀 （3） 動(dòng)詞（及物） ( globed; globed; globing) 使成球狀 大家好263. globe（1） 名詞 (pl. globes)大家 Then are you clear now about the evolution of life?大家好27 Then are you clear now Wh

12、en the dust settled into a solid globe, the earth was so violent.大家好28When the dust settled into a s4.6 billion years ago3 billion years ago540 million years ago250 million years ago65million years agoThe Evolution of Life on the earthi:vlu:nplzkmeszksi:nzuik大家好294.6 billion years ago3 billion大家好30大

13、家好30Shellfish大家好31Shellfish大家好31Amphibian大家好32Amphibian大家好32Reptile Dinosaur大家好33Reptile Dinosaur大家好33大家好34大家好34Primitive(原始的) People大家好35Primitive(原始的)大家好35Language Points1. What it was to become was uncertain(when the dust settled into a solid globe).be to do的用法(1)be to do.用于第一人稱疑問句中，表示征求對方意見。如：Am

14、 I to go on with the work？要我繼續(xù)這項(xiàng)工作嗎？What are we to do next？我們下一步該怎么辦？ (2)表示按約定、計(jì)劃，或即將發(fā)生的動(dòng)作，這是將來時(shí)的一種用法。如：They are to pay a visit to the teacher together at 10 am. tomorrow.他們約定明天上午10點(diǎn)一起去看這位老師。bebe大家好36Language Points1. What it was We are to meet at the station at four this afternoon. 我們今天下午4點(diǎn)在車站見面。 (

15、3)表示必須或應(yīng)該，在意義上等于must，should，ought to 或have to。如：You are to finish the work before five this afternoon.你們必須在今天下午五點(diǎn)以前完成這項(xiàng)任務(wù)。This medicine is to be taken three times a day. 這種藥一天要服三次。 (4)用來表示注定要發(fā)生或不可避免要發(fā)生的事。如：His theory was to change the views on the universe. 大家好37We are to meet at the station Languag

16、e Points1. It exploded loudly with fire and rock, which were in time to produce carbon, nitrogen, water vapour and other gases, which were to make the earths atmosphere.loud, aloud, loudly 這三個(gè)副詞詞義很接近，但含義有所不同。 aloud 的意思是“出聲地、高聲地”，強(qiáng)調(diào)能讓人聽得見。如： Read aloud so that we can all hear you. 讀大點(diǎn)聲，以便我們大家都能聽見你。 T

17、hey are shouting aloud. 他們在大聲感叫。 大家好38Language Points1. It exploded loud 意思是“大聲地、高聲地、響亮地”，強(qiáng)調(diào)聲音響亮。常與動(dòng)詞speak, talk, say, laugh等連用。如： Dont talk so loud. 講話聲音不要這么大。 Facts speak louder than words. 事實(shí)勝于雄辯。loudly 的意思是“高聲地”，有時(shí)可與loud通用，但含有“喧鬧”的意味。如： Someone knocked loudly at the door. 有人在大聲敲門。 Dont talk so l

18、oudly/loud. 說話聲音不要這么大。 在現(xiàn)代英語中有時(shí)在并不喧鬧的場合也用loudly. 如： Will you please read the text loudly? 你能不能大聲讀這篇課文？ 大家好39loud 意思是“大聲地、高聲地、響亮地”，強(qiáng)調(diào)聲音響亮。常explode1)（使某物）炸開，爆炸。如：The firework exploded in his hand and he was hurt seriously. 大家好40explode大家好402)（指感情）激發(fā)。如： I was frightened when she exploded into loud laug

19、hter. 3)（指人口）突然或迅速增加。如：Now it is not easy to find jobs with the exploding population. explosion n. 爆炸（聲） explosive adj. 爆炸性的，易爆炸的 n. 炸藥，爆炸物in time (for sth./to do sth.): 最終；及時(shí)，如She will be back in time to prepare dinner. 她會(huì)及時(shí)趕回來準(zhǔn)備晚飯。大家好412)（指感情）激發(fā)。如： 大家好413. What many science believe is that the con

20、tinued presence of water allowed the earth to dissolve gases and acids which are harmful to the plants into the oceans and seas.allow v. 允許、許可、容許allow + n ./ pron. / doing allow sb. to do sth. be allowed to do sth.大家好423. What many science believe i2.continuous 連續(xù)不斷的（強(qiáng)調(diào)一個(gè)動(dòng)作沒有間斷過）continual 反復(fù)的，頻繁的（強(qiáng)調(diào)

21、一個(gè)動(dòng)作在某個(gè)時(shí)期反復(fù)出現(xiàn)）continued和continuing可以互換，都表示“連續(xù)不斷的”“繼續(xù)不變的”，但是它們只能用于名詞前?？偟膩碚f，其差異正逐漸消失，特別是continual亦含有continuous相同的意義，尤指不愉快的事：Life was a continual struggle for them. 生活對他們來說是不斷的掙扎。 大家好432.continuous 連續(xù)不斷的（強(qiáng)調(diào)一個(gè)動(dòng)作沒有間斷過Present1 presence n.出席，到場，存在形容詞 a. 1.出席的,在場的How many people were present at the meeting?

22、 到會(huì)的有多少人? 2.現(xiàn)在的,當(dāng)前的Im not at all satisfied with the present situation. 我對目前的情況一點(diǎn)都不滿意。 大家好44Present1 presenc名詞 n. 1.現(xiàn)在,目前There is no time like the present. 機(jī)不可失,時(shí)不再來。 present2名詞 n. 1.禮物,贈(zèng)品CHe often gave his neighbors kids little presents. 他常常送些小禮物給鄰居的孩子。 大家好45名詞 n. 1.現(xiàn)在,目前There is no tiPresent3 prese

23、ntation n.授予，頒發(fā)，呈現(xiàn)及物動(dòng)詞 vt. 1.贈(zèng)送,呈獻(xiàn)(+to/with)They presented him with a bunch of flowers. 他們獻(xiàn)給他一束鮮花。 2.引起(問題),造成(困難)(+to/with)All this presented new safety problems. 所有這些都造成了新的安全問題。 大家好46Present3 presentation n3.提出,提交,呈遞(+to)Some 300 papers were presented at the conference. 會(huì)上提出了大約三百篇論文。 4.呈現(xiàn);描述;出示(+t

24、o)He had to present a smiling face though heavy-hearted. 雖然憂心忡忡,但他還得露出一副笑容。 大家好473.提出,提交,呈遞(+to)Some 300 papMy father doesnt allow smoking at home. In fact he doesnt allow us to smoke anywhere at any time. 父親不允許在家里吸煙。實(shí)際上，他不允許我們在任何地方任何時(shí)候吸煙。Are we allowed to use the computer?我們可以用電腦么？be harmful to 對有害

25、 do harm to sb. = do sb. harm 傷害某人，對某人有害處 1) Pollution is especially harmful to animals. 2) Smoking will do you a lot of harm. 大家好48My father doesnt allow smokin4. They produced young generally by laying eggs.Its generally believed that一般認(rèn)為generally speaking 一般而言，概括來說 1) Its generally believed that

26、girls work harder than boys do. 2) Generally speaking, women cry more easily than men. by doing用于說明做某事的手段、方式。如：I dont think she can help him by just giving him money. 我認(rèn)為她光靠給錢是幫不了他的。大家好494. They produced young general5. They are putting too much carbon dioxide into the atmosphere, which prevents hea

27、t from escaping from the earth into space. 阻止某人做某事 :prevent sb. (from) doing sth. stop sb. (from) doing sth. keep sb. from doing sth. 1) We must prevent them from making trouble. 2) You should prevent the child from injuring himself. If nothing prevents, 如果沒有什么阻礙的話 , 大家好505. They are putting too muc

28、h c6. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. depend on : 相信，信賴, 依靠,依賴, 視而定，取決于 Depend on it. 沒問題，請放心（句末或句首） That /It (all) depends. 那得看情況而定. 1) Depend on it, youll succeed. 2) He may support me, but it depends . 大家好516

29、. Whether life will continue 賓語從句可以分為三類(1).動(dòng)詞的賓語從句1.1 大多數(shù)位于動(dòng)詞后面Eg：I hope you can join us in the game.1.2 有些是“動(dòng)詞+副詞”后Find out / point out / figure out / turn out/ figure outEg： Can you figure out what the poet really means in this poem?1.3 有些動(dòng)詞短語后面Make sure / make up ones mind / keep in mindEg; we sh

30、ould keep in mind that sports can be a great boost to our health.大家好52賓語從句可以分為三類大家好52(2) it 作形式賓語代替賓語從句第一類動(dòng)詞; find/ feel/ think/ consider/ make / believe/ guess/ suppose /assume等后面有賓語不足語時(shí)，需要用it 作形式賓語而將that引導(dǎo)的真正的賓語從句后置。Eg： I think it necessary that we do some sporting.第二類動(dòng)詞 帶賓語從句時(shí)需要在從句前面加it。這類詞：hate

31、/ like/ dislike/ appreciate/ depend on/ see to /Eg: I hate it when they talk without considering others feeling.大家好53(2) it 作形式賓語代替賓語從句大家好537. I cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.cheer up 歡呼；喝彩；感到高興；使高興

32、。如：The crowd cheered up when they saw the teams arrive. 觀眾看到運(yùn)動(dòng)隊(duì)進(jìn)場時(shí)歡聲雷動(dòng)。He took her to the concert to cheer her up. 為使她高興起來，他帶她去聽音樂會(huì)。Astronomerstrnm(r)astronautstrn:t大家好547. I cheered up immediately anwatch do /doing 觀看；注視。 如：We watched the sun setting behind the trees. Evening fell. 我們看著太陽一點(diǎn)點(diǎn)地落在樹后，夜

33、幕降臨了。Every day as they watched the plant grow, their hearts were filled with hope. 他們每天都在觀察這棵植物生長，心里充滿了希望。Weigh1.表示“稱的重量”,是及物動(dòng)詞,如：He weighed the fish.他稱了這條魚.Do you often weigh yourself?你經(jīng)常稱體重嗎?2.表示“重(多少)”,是不及物動(dòng)詞He weighs 60 kilos.他體重60公斤.The meat weighs five pounds.這肉重五磅.大家好55watch do /doing 觀看；注視。

34、如：Wei2.比較 by weight / in weight：前者表示“按重量”,后者表示“重量上”.如：Do they charge carriage by weight?他們是按重量收取運(yùn)費(fèi)嗎?Its smaller in size but greater in weight.它體積比較小,但分量比較重.3.對重量提問,特殊疑問詞用How much?or How heavy?What is the weight of .How much it weighs?What=how much do you weigh?What is the weight of the baby?大家好562.比

35、較 by weight / in weight：前者表倍數(shù)的表達(dá)方式共：四種1.表示“幾倍大?。ㄩL短；數(shù)量）”,由“倍數(shù)+ the size（length,amount）”結(jié)構(gòu)組成.例如：The earth is forth-nine times the size of the moon.地球是月亮的49倍大.2.表示“比大幾倍”,由“倍數(shù)+形容詞（副詞）比較級”結(jié)構(gòu)組成.例如：This box is three times bigger than that one.這個(gè)盒子比那個(gè)盒子大三倍.The grain output is 8 percent higher this year than

36、 that of last year.今年比去年糧食產(chǎn)量增加8%.大家好57倍數(shù)的表達(dá)方式共：四種1.表示“幾倍大?。ㄩL短；數(shù)量）”,3.表示“是倍”,由“倍數(shù)+ as +形容詞+ as +”結(jié)構(gòu)組成.例如：Our factory is twice as big as theirs.我們的工廠是他們的三倍.I have three times as many as you.我有你三倍那么多.注 一倍用once,兩倍用 twice.4、還可以用by+倍數(shù),表示增加多少倍.The production of grain has been increased by four times this y

37、ear.今年糧食產(chǎn)量增加了4倍.大家好583.表示“是倍”,由“倍數(shù)+ as +形容詞+ as9. We watched, amazed as fire broke out on the outside of the spaceship as the earths gravity increased. 此處的amazed是過去分詞作狀語。過去分詞經(jīng)?？梢宰鳡钫Z，這是一種特定用法。如：He came in unnoticed. 他神不知鬼不覺地走了進(jìn)來。Many heroes lie buried in the churchyard.許多英雄埋葬在教堂的墓地里。 break out （戰(zhàn)爭，爭吵

38、，疾病等）爆發(fā)。如：A quarrel broke out suddenly at midnight. 半夜，（他們）突然大吵起來。大家好599. We watched, amazed as fire 8. “Oh dear,” I cried, “walking does need a bit of practice now that gravity has changed.”Now that : 既然，由于。如：Now that everybody is here, we can begin the meeting.大家好608. “Oh dear,” I cried, “walkin10

39、. the Paleozoic era: 古生代，是地質(zhì)時(shí)代的第三個(gè)代（第一、第二代分別是太古代和元古代）。約5.44億年前至2.48億年前. the Mesozoic era: 中生代，包括：三疊紀(jì)、侏羅紀(jì)、白堊紀(jì)。 the Cenozoic era: 新生代，約開始于6500萬年前，現(xiàn)仍在持續(xù)。11. Big Bang: 宇宙大爆炸理論大家好6110. the Paleozoic era: 古生代，是地質(zhì)Learning about Language 1. Words astronomy, atmosphere, system, violent, solid, explode, carbo

40、n, dioxide, oxygen, surface, planet, harmful, development, spread, method, depend, exist, presence, telescope, disappoint, disappointed, publish, publishing, gravity, force, gradually, cheer, float, mass大家好62Learning about Language 1. WorUse the correct prefix or suffix for each word. Write out the

41、new word and explain the difference between the two.presentviolentconfidentdifferentpatientpresenceviolenceconfidencedifferencepatiencecertainfairpaidlikekinduncertainunfairunpaidunlikeunkind-(en)ceun-大家好63Use the correct prefix or suffcultureglobeuniverseagriculturemathematicsculturalglobaluniversa

42、lagricultralmathematicalartphysicschemistrybiologyscienceartistphsicistchemistbiologistscientist-al-ist大家好64cultureglobeuniverseagricultur2. Expressionssolar system, in time, now that, prevent.from, depend on, cheer up, get the hang of, break out, lay eggs, give birth to, in ones turn, carbon dioxid

43、e, watch out, block out大家好652. Expressionssolar system, inComplete each of the sentences with a suitable word or phrase in the correct form. surface, explode, develop, prevent, float, spread, violent, astronomy, force, publish, disappoint, solid 1. The _ of gravity makes things fall to the earth.2.

44、The robbers kicked the door _ and broke into the stars house.3. Nothing can separate the two, because they have a _ friendship foundation.4. In World War II, two atomic bombs _ in Japan, killing a large number of people.5. With the _ of our countrys economy, peoples living standard has been greatly

45、raised.forceviolentlysolidexplodeddevelopment大家好66Complete each of the sentences6. More than 70% of the earths _ is covered by water.7. In the last few years the city has _ out rapidly in all directions.8. That he failed the examination _ his lover very much.9. They _ the canoe out into the middle o

46、f the river.10. Mark Twain _ a lot of popular novels in that _ firm.spreaddisappointedfloatedsurfacepublishedpublishing大家好676. More than 70% of the earth1.他以前是靠畫畫為生的。 He used to _his living _.2.爆竹在他手里爆炸了，他傷得很嚴(yán)重。The firework _ and he hurt seriously.3.鄉(xiāng)村生活與都市生活是非常不同的。Country life is_ city life.4.瑪麗之所以

47、沒有通過這次考試，是因?yàn)樗饲安×藘蓚€(gè)星期。 Mary _ in the exam, _she had been ill for two weeks.Complete the following sentences.大家好681.他以前是靠畫畫為生的。Complete the foll5. 第二次世界大戰(zhàn)是年爆發(fā)的。 World War II _in 1939.6.我擔(dān)心是否傷害了她。 I worry _ I hurt her feelings.7.為使她高興起來，她丈夫帶她去聽音樂會(huì)。Her husband took her to the concert _.8.他們乘坐宇宙飛船穿越太空到月

48、球上去。 They _ to the moon in a spaceship.9.天上有朵朵白云。 There were _ white clouds in the sky.大家好695. 第二次世界大戰(zhàn)是年爆發(fā)的。大家好691. He used to make/earn his living by painting.2. The firework exploded in his hand and he hurt seriously.3. Country life is quite different from city life.4. Mary failed in the exam. Thi

49、s was because she had been ill for two weeks.5. World War II broke out in 1939.6. I worry about whether I hurt her feelings.7. Her husband took her to the concert to cheer her up.8. They traveled through space to the moon in a spaceship.9. There were masses of white clouds in the sky.Answer Key:大家好7

50、01. He used to make/earn his li3. GrammarNoun Clauses as the subject 做主語用的名詞性從句，因其在復(fù)合句中做主語，又稱主語從句(Noun Clauses as the subject) ，引導(dǎo)主語從句的有從屬連詞that、whether，連接代詞who、what、which，連接副詞when、where、how、why等。1. 連接詞：1）從屬連詞：that， whether等. that 引導(dǎo)主語從句只起引導(dǎo)作用，本身無實(shí)際意義，在主語從句中不充當(dāng)任何成分，但不能省略。That she left him cut him to

51、 the heart.That he will come is certain.大家好713. Grammar 做主語用的名詞性從句，因 由whether及其他連詞引導(dǎo)的主語從句放在句首，句后都可。 Whether it will please them is not easy to say.It doesnt matter too much whether shes coming or not.2)連接代詞who ，what ，which, whatever, whichever, whoever What seems easy to some people seems difficult

52、to others.Which side will win is not clear.3)連接副詞when，where， how， why等。Why he did it remains a mystery.When they will start is not known yet.How he became a great scientist is known to us all.大家好72 由whether及其他連詞引導(dǎo)的主語從句放在2. 位置：主語從句可以前置，也可以后置。用it做形式主語，而把主語從句放在句末，常用下面幾種句型。 1）It + be + 表語 +主語從句表語：（名詞， 形

53、容詞，過去分詞）It is a pity that we cant go.It is no surprise that our team should have won the game.It is an honour that I was invited to attend the meeting.It is certain that she will do well in her exam.It is true that I told her everything.It is said that Mr. Green has arrived in Beijing.It is reported

54、 that China has sent another manmade earth satellite into orbit.大家好732. 位置：主語從句可以前置，也可以后置。用it做形式主語， 2）It+不及物動(dòng)詞或短語+主語從句It seemed (happened, doesnt matter, has turned out) that It happens that they were absent.It seems that Alice is not coming to the party at all.It doesnt matter whether she will come

55、 or not.It makes no difference where we shall have the meeting. 3） It+及物動(dòng)詞（被動(dòng)語態(tài)）+主語從句It has been decided that the exhibition will not open on Sundays.注意: 主語從句在句首時(shí)，必須由連接詞引導(dǎo)，不能省略這些連接詞；但是如果用it做形式主語，而把大家好74 2）It+不及物動(dòng)詞或短語+主語從句大家好主語從句放在句末時(shí)，從屬連詞that可以省略。誤：They should like each other is natural.正：That they

56、should like each other is natural.正：It is natural that they should like each other. 4)如果主語從句放在句首，不能用if引導(dǎo)，但是如果用it 做形式主語，而把主語從句放在句末時(shí)，也可以用if引導(dǎo).誤：If Mary really heard him is really doubtful.正：Whether Mary really heard him is really doubtful正：It was doubtful if Mary really heard him.大家好75主語從句放在句末時(shí)，從屬連詞th

57、at可以省略。大家好751._ you dont like him is none of my business. A. What B. Who C. That D. Whether 2._ well go camping tomorrow depends on the weather. A. If B. Whether C. That D. Where 3._is going to do the job will be decided by the Party committee. A. That B. Why C. How D. Who 語法專項(xiàng)練習(xí)Choose the best opti

58、on.大家好761._ you dont like him is n4._well finish translating the book depends on the time. A. When B. Why C. What D. That 5._he wont go there is clear to all of us. A. How B. What C. Why D. This 6._the house will be built will be discussed at tomorrows meeting. A. If B. Where C. That D. What 7._you

59、come or not is up to you. A. What B. If C. Why D. Whether 大家好774._well finish translat8._makes mistakes must correct them. A. Who B. Anyone C. Whoever D. Anybody9._ we go swimming every day _ us a lot of good. A. If.do B. That.do C. If.does D. That.does10.It _ Bob drives badly. thinks that B. is tho

60、ught what C. thought that D. is thought that11.Its uncertain _ the experiment is worth doing. A. if B. that C. whether D. how大家好788._makes mistakes must c12._ the boy didnt take medicine made his mother angry. A. That B. What C. How D. Which13._ we cant get seems better than _ we have. What, what B.