高中英語 Unit21 Human Biology Section Ⅰ 語法講座 專題練習(xí)課下作業(yè) 北師大版選修7

1、【三維設(shè)計(jì)】2013高中英語 unit21 human biology section 語法講座 專題練習(xí)課下作業(yè) 北師大版選修7.用所給詞的適當(dāng)形式填空1if it had_rained (rain) last night, the ground would be wet now.2if she had got financial aid, she would graduate (graduate) from a college this fall.3if we hadnt made adequate preparations, we shouldnt_dare (not dare) to

2、do the experiment next week.4if he had_listened (listen) to me, he would not be in such trouble now.5if you had not studied the problem carefully, you would_find (find) difficulty now.6if i had_studied (study) harder in school, i could qualify for the job now.7if i were_not_to_make (make) a preparat

3、ion for my experiment this afternoon, i would have gone to see the film with you last night.8if we shouldnt have an exam this afternoon, i would_go (go) shopping now.完成句子1他要是多得六票，現(xiàn)在就是我們的主席了。if he would_be six more votes, he had_received our chairman now.2如果瑪麗是一位個(gè)性強(qiáng)的姑娘，當(dāng)時(shí)她就會(huì)拒絕老板了。if mary were a girl

4、of strong character, she would_have_said “no” to her boss.3要不是有醫(yī)生的照料，我此時(shí)就不會(huì)在這里和你說話了。if it hadnt_been for the doctors care, i would_not_be_speaking to you now.4如果你登上那航班，你現(xiàn)在就不會(huì)在此享受生活了。if you had_gone on board the plane, you would_not_be_enjoying your life here now. 5如果你(那時(shí))聽從醫(yī)生的建議的話，現(xiàn)在就不會(huì)有事了。if you ha

5、d_followed the doctors advice, you would_be all right now. .單項(xiàng)填空1_ to do the work, i should do it some other day.aif werebi werecwere i dwas i解析：選c。在虛擬條件狀語中有were, should, had這三個(gè)詞，通常將if省略，主語提前，變成were, should, had主語的形式。但要注意，在虛擬條件狀語從句中，省略連詞的倒裝形式的句首不能用動(dòng)詞的縮略形式。如我們可說were i not to do, 而不能說werent i to do。2_

6、 so busy, she would come to help you.ashould my daughter bwas my daughter notcif my daughter were not dif my daughter isnt解析：選c。考查與現(xiàn)在事實(shí)相反的虛擬語氣。表示與現(xiàn)在的事實(shí)相反的假設(shè)，從句用過去時(shí)。3shall we take the 10：20 train?no. if we took that train, we _ too late.aarrive barrivedcwill arrive dwould arrive解析：選d?？疾榕c將來情況相反的虛擬語氣。句

7、意：“我們坐10：20的火車怎么樣？”“不行。如果我們坐10：20的火車，我們會(huì)到達(dá)的很晚?！敝骶溆谩皐ould/could/might動(dòng)詞原形”，故選d項(xiàng)。4how i want to have studied harder when i was in school.if you had, you _ work into late every day nowadays. anyhow, better late than never.adont bwouldntcdidnt dwont解析：選b?？疾殄e(cuò)綜時(shí)間條件句的虛擬語氣。第一句的信息want to have studied就已表明是表示事

8、與愿違的虛擬語氣。第二句的信息詞had與nowadays則表明了過去與現(xiàn)在的時(shí)間混合。句意：“我在學(xué)校讀書時(shí)，應(yīng)該更努力點(diǎn)啊?！薄耙悄闩α耍憔筒粫?huì)是現(xiàn)在每天都工作這么晚了。不管怎樣，亡羊補(bǔ)牢為時(shí)不晚。”使用wouldnt強(qiáng)調(diào)與現(xiàn)在事實(shí)相反的虛擬語氣。5you _ better now if you had listened to me.next time i will.awould be bwill becwould have been dhad been解析：選a。第一句句意：如果你聽我的，你現(xiàn)在就會(huì)好了。由此可判斷這是個(gè)混合虛擬條件句，從句與過去相反，主句與現(xiàn)在相反，主句的謂語動(dòng)詞應(yīng)

9、用would動(dòng)詞原形。6what should we do next!well, if dad _ here, he would know what to do.awere bhad beencbe dis解析：選a?？疾樘摂M語氣。根據(jù)語境可知，從句表示與現(xiàn)在事實(shí)相反的假設(shè)，故選a項(xiàng)。7luckily we had arrived before the rain came.yes, we _ in the rain now if we _ earlier.awould walk; hadnt started outbwould have walked; havent started outcw

10、ould be walking; hadnt started outdare walking; didnt start out解析：選c。由題意知，條件句是與過去事實(shí)相反；由now 可知主句是與現(xiàn)在事實(shí)相反，所以選c。8it is hard for me to imagine what i would be doing today if i _ in love, at the age of seven, with the melinda cox library in my hometown.awouldnt have fallen bhad not fallencshould fall dwe

11、re to fall解析：選b。句意：如果我沒有在7歲時(shí)就迷戀上了我們家鄉(xiāng)的melinda cox圖書館，我真不能想象我今天會(huì)在做什么。根據(jù)句意和i would be doing可以判斷此處為虛擬語氣。at the age of seven是表示過去的時(shí)間狀語，因此if從句中謂語動(dòng)詞要用had not fallen, 表示對(duì)過去情況的假設(shè)。9if we had not missed the bus, we _ lunch at home now.awould have had bwould havecmust be having dwould be having解析：選d。句意：要是我們沒有錯(cuò)過公交車的話，我們現(xiàn)在就會(huì)正在家里吃午飯了。條件句表示與過去事實(shí)相反的情況，用過去完成時(shí)；主句表示與現(xiàn)在事實(shí)相反的情況，且此處強(qiáng)調(diào)正在進(jìn)行的動(dòng)作，所以用would be doing。10if we had taken such effective measures much earlier, the river _ so seriousl