Unit5AdelicateworldPeriod2Usinglanguage練習(xí)（解析版）

1、Unit 5A delicate worldPeriod 2 Using language（練習(xí)解析版）I:單詞拼寫In her first book she explained the role of vegetable fibers, vitamins, minerals, and other essential （營(yíng)養(yǎng)物）.【答案】nutrients.Warm the sugar slightly first to make it（溶解）quicker.【答案】dissolveIf you describe someone as a book（蟲子）,you mean they are

2、very fond of reading.【答案】wormThey（授粉）the flower and help seeds develop better.【答案】pollinateThe girl student did not return home instead of attending the summer（期I可）of college.【答案】sessionProtect and restore wetlands, which are an important part of grassland（生態(tài)）.【答案】ecologyIn（比擬）with the previous stud

3、y, the new study expanded research subjects.【答案】comparisonTest results indicate that a （分解體）can remarkably improve the quality of this new material.【答案】decomposerThey strongly demand that you（補(bǔ)償）for the loss.【答案】compensateIt is a very pretty butterfly, with a pair of colourful(翅膀).【答案】wingsII：?jiǎn)尉湔Z(yǔ)法填空

4、Both sides consider desirable to further the understanding between the two peoples.【答案】it【解析】consider it +adj + to do sth:用it作形式賓語(yǔ)，構(gòu)成動(dòng)詞+形式賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)的復(fù)合結(jié)構(gòu)。Due to too much work to do, Ill leave it up to you(use) your discretion.【答案】to use【解析】leave+it (作形式賓語(yǔ))+賓語(yǔ)補(bǔ)足語(yǔ)+to do sth (不定式作真正賓語(yǔ)后置)。I think it break

5、through to transform a desert into a forest or a wide stretch of grassland.【答案】a(absorb) in their game, these children did not feel hungry at all.【答案】Absorbed【解析】過(guò)去分詞作原因狀語(yǔ)，動(dòng)詞absorb與邏輯主語(yǔ)these children構(gòu)成被動(dòng)關(guān)系。Dont rely on(go) abroad for our holiday, for we may not be able to afford it.【答案】going【解析】rely

6、 on (one) doing sth ,動(dòng)名詞作賓語(yǔ)。They cannot be relied on( offer) much support or useful advice.【答案】to offer【解析】rely on sb to do sth:構(gòu)成動(dòng)詞+賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)復(fù)合結(jié)構(gòu)，不定式作賓補(bǔ)。The dissolved chemicals are released back into the food chain(use) by producers.答案to be used【解析】不定式作目的狀語(yǔ)，動(dòng)詞use與邏輯主語(yǔ)構(gòu)成被動(dòng)關(guān)系，故使用to be used.Secondary c

7、onsumers prey on primary consumers, as well as(eat) other animal matter.【答案】eating【解析】aswellas通常視為介詞，后接動(dòng)詞時(shí)，常常使用動(dòng)名詞。In just a journey(collect) pollen and nectar, one single honey bee can pollinate as many as 50 to 100 flowers.【答案】to collect【解析 1不定式作后置定語(yǔ)，修飾前面的名詞。Both patterns tend to exist by(feed) on

8、 each other.【答案】feeding.選詞組并用其適當(dāng)?shù)男问教羁铡e native tofeed onabsorb. frombreak downa combination ofin existencepray ontransform. intocheck outtake inAccording to a study, butterflies a sweet liquid produced by flowers.【答案】feed onIt is common knowledge that humans oxygen and breathe out carbon dioxide.【答

9、案】take in【解析】本語(yǔ)境中take in意為：吸收。The worms* ability to break down their everyday food also allows them to plastic.【答案】break down【解析】breakdown：分解；本句意為：蠕蟲分解日常食物的能力也允許他們分解塑料。The rule says that guests should of their rooms by noon if they dont pay more foraccommodation.【答案】check out【解析】check out:結(jié)賬離開；登記退出。

10、The lions in this area deer and other wild animals for food.【答案】prey on【解析】prey on：捕食；掠奪。The red-eared slider, a species of freshwater turtle,Central America.【答案】is native to【解析】be native to：原產(chǎn)于；是.某地特有的。internal and external factors caused the company to close down.【答案】A combination of【解析】a combinat

11、ion of ：結(jié)合;.兼而有之。The ancient china is thought to be the only one in the province.【答案】in existence【解析】in existence：現(xiàn)存的，實(shí)際存在的If we use this new way to boil meat, minerals animal foods more easily.【答案】are absorbed fromDuring the holiday season, the town a Christmas wonderland.【答案】is transformed into【解析

12、】o.把.轉(zhuǎn)變成為.七選五：從短文后的選項(xiàng)中選出可以填入空白處的最正確選項(xiàng)。選項(xiàng)中有兩項(xiàng)為多余選項(xiàng)。China has made great improvements in environmental protection during the past seven years A Each species （物種）on Earth has a role to play in the ecosystem.In recent decades, a series of wildlife-protection movements have been carried out

13、by the central government. 2. The giant panda and the crested ibis are among these success stories.The giant panda used to have a population of 1114 in the 1970s. It now totals 1864 thanks to 52 protection areas. 3 . By the end of last year, seven of the nine pandas released had survived in the wild

14、. 4 In 1981, only seven crested ibises were found in Yangxian county, Shaanxi Province.Since then, breeding programs have helped the population reach 2000. China has even sent crested ibises to Japan and South Korea in recent years, to help with the species survival.5 Key projects will be continuall

15、y carried out to improve protection, including making the lists of wild animals and plants under State protection, and also fighting against illegal wildlife trade, which includes ivory （象牙）.As environmental damage has increased, signs of change have appeared around the world.Another species was onc

16、e thought to be extinct.Scientists have worked to feed pandas and then release them into the wild.People call for immediate protection of the remaining species.Several species in danger of extinction have made impressive progress thanks to the methods.China will continue its efforts of the wildlife

17、protection.Protecting wildlife is, without doubt, an important part.【答案】1-5 GECBF【解析】這是一篇說(shuō)明文。文章主要介紹了在過(guò)去的70年里，中國(guó)在環(huán)境保護(hù)方面取得了很大的進(jìn) 步。保護(hù)野生動(dòng)物無(wú)疑是重要的一環(huán)節(jié)。.不艮據(jù)前文 China has made great improvements in environmental protection during the past 70 years. 可知，在過(guò)去的70年里，中國(guó)在環(huán)境保護(hù)方面取得了很大的進(jìn)步。再根據(jù)后文Each species （物種） on Earth

18、 has a role to play in the ecosystem.可知，地球上的每一個(gè)物種都在生態(tài)系統(tǒng)中扮演著重要的角 色。由此可知，G 項(xiàng) Protecting wildlife is, without doubt, an important part.（保護(hù)野生動(dòng)物無(wú)疑是 重要的一環(huán)節(jié)）切題。應(yīng)選G。.不艮據(jù)前文 In recent decades, a series of wildlife-protection movements have been carried out by the central government.可知，近幾十年來(lái)，中央政府開展了一系列的野生動(dòng)物保護(hù)運(yùn)

19、動(dòng)。由此可知， E 項(xiàng) Several species in danger of extinction have made impressive progress thanks to the methods.（一些瀕 臨滅絕的物種由于采取了這些保護(hù)措施而取得了令人矚目的進(jìn)展）切題。應(yīng)選E。. 根據(jù)后文 By the end of last year, seven of the nine pandas released had survived in the wild. nJ 知到去年年底，放歸的9只大熊貓中有7只在野外存活。由此可知，C項(xiàng)Scientists have worked to fe

20、ed pandas and then release them into the wild.（科學(xué)家們一直致力于喂養(yǎng)大熊貓，然后將它們放歸野外） 切題。應(yīng)選C。.根據(jù)后文 In 1981 , only seven crested ibises were found in Yangxian county, Shaanxi Province . China has even sent crested ibises to Japan and South Korea in recent years, to help with the species survival.可知，在1981,在陜西省的洋縣，

21、只發(fā)現(xiàn)七只鳳頭鸚鵡.近年來(lái)，中國(guó)甚至將朱鶻送往日本 和韓國(guó)，以幫助該物種的生存。由此可知，B項(xiàng)Another species was once thought to be extinct.（另一 個(gè)物種曾經(jīng)被認(rèn)為已經(jīng)滅絕）切題。應(yīng)選B。.根據(jù)后文 Key projects will be continually carried out to improve protection, including making the lists of wild animals and plants under State protection, and also fighting against ille

22、gal wildlife trade, which includes ivory （象牙）.可知，繼續(xù)實(shí)施重點(diǎn)保護(hù)工程，包括制定國(guó)家保護(hù)野生動(dòng)植物名錄，打 擊包括象牙在內(nèi)的非法野生動(dòng)物貿(mào)易。由此可知，F(xiàn)項(xiàng)China will continue its efforts of the wildlife protection.（中國(guó)將繼續(xù)加強(qiáng)野生動(dòng)物保護(hù)）切題。應(yīng)選F。V:閱讀理解。閱讀下面短文，從短文后各題所給的A、B、C和D四個(gè)選項(xiàng)中，選出可以填入空白 處的最正確選。One kind of female butterfly mates only once in its life - and th

23、en closes its wings to avoid harassment when pursued by persistent and unwanted males, a Japanese researcher said.Observations of the Small Copper Butterfly, a colourful orange and black butterfly, showed that some females closed their wings when males flew by, but only when they were males of their

24、 own species, said Jun-Ya Ide, an associate professor at Kurume Institute of Technology in Fukuoka, western Japan.HWhen we looked into why, the males were courting the females. They do this very stubbornly, so the females sometimes try to get away or prefer to stay unobserved, he added.Ide and his c

25、olleagues brought a model of a male butterfly near the females to test their reactions and found that young females that had yet to mate kept their wings open, but those that had already mated closed them.Not only can the persistent attentions of unwanted suitors harm the delicate females, fleeing f

26、rom them with the male often in pursuit uses up strength and can even shorten their lives, he added. Closing their wings makes them less visible, helping them avoid communication with their own species. We figured they were trying to avoid harassment by males, Ide said.What does the word “harassment

27、“ mean in the paragraph?A. attackB. embarrassment C. sexual invasion D. threatWhy some females closed their wings when males flew by?A. because they close their wings to avoid harassment“ when pursued by persistent and unwanted males.B because the female butterfly mates only once in its life.because

28、 they dont like the male butterfly at all.because they are afraid of the male butterfly.According the the passage, which is correct?A. The females closed their wings when males flew by.B Only the model of a male butterfly can make the young female butterflies to keep their wings open.The female butt

29、erfly mates only once in its lifeNot only can the persistent attentions of wanted suitors harm the delicate females, fleeing from them with the male often in pursuit uses up strength and can even shorten their lives.【答案】l.c2.A3. C【解析】本文是一篇說(shuō)明文，科學(xué)家發(fā)現(xiàn)一種雌性蝴蝶一生只交配一次，并且會(huì)在交配之后合上翅 膀，以此來(lái)躲避雄性蝴蝶的追逐。.析才隹那么題。第一句

30、原句 One kind of female butterfly mates only once in its life - and then closes its wings to avoid harassment when pursued by persistent and unwanted males, a Japanese researcher said.日本一位研究人員稱，雌性紅灰蝶一生只交配一次，在其它雄性紅灰蝶不停地追求它時(shí)，它會(huì) 合上翅膀躲避這種harassment。根據(jù)句意，應(yīng)選C性騷擾。.2山節(jié)題。最后句Closing their wings makes them less

31、visible, helping them avoid communication with their own species. We figured they were trying to avoid harassment by males,“合上翅膀可以讓雌 蝶不那么顯眼，防止與同類紅灰蝶的接觸。我們認(rèn)為它們是在躲避雄蝶的性騷擾。應(yīng)選A.細(xì)節(jié)題。文中第一句 One kind of female butterfly mates only once in its life 一種雌性蝴蝶一生 只交配一次。應(yīng)選CVI.語(yǔ)篇填空The red-eared slider, a species of freshwater turtle, is native 1 the Southern United St