高二英語人教版選修8學案課堂探究Unit2Cloning—SectionⅢWord版含解析

1、第 PAGE5 頁 共 NUMPAGES5 頁高二英語人教版選修8學案課堂探究Unit2CloningSectionWord版含解析課堂探究 1All efforts of cloning an animal will be in vain if there is not enough diversity in the group to overe illnesses.如果某個動物群體沒有足夠的多樣性以戰(zhàn)勝疾病，那么克隆這種動物的所有努力都將是無用的。if引導條件狀語從句 考點：vain adj.虛榮的；自負的；徒勞的 We tried in vain to make him change h

2、is mind.我們試圖使他改變主意，結(jié)果是白費心機。閱讀下列句子，歸納vain的用法 She is one of those vain people who never take others advice.她屬于那種自負得從不聽別人勸告的人之一。歸納：vain用作定語，修飾名詞，意為自負的。The police tried in vain to break up the protest crowds.警察企圖驅(qū)散抗議的人群，但沒有成功 歸納：in vain 意為徒勞地，枉費力氣，白費心機。It is vain to persuade him to stop smoking.說服他戒煙是沒有

3、用的。歸納：it is vain to do sth意為做某事是沒有用處的。答案：1）in vain to persuade2）die in vain3）return vain 2The advantage is that if there is a new illness some of these animals may die，but others will survive and pass on the ability to resist that disease to the ne_t generation.其優(yōu)點是，如果發(fā)現(xiàn)了某種新的疾病，這類動物中的一些可能會死去，而另外一些卻能

4、存活下來，并且把這種抗疫力傳給下一代。1）that引導一個表語從句，而這個從句中又包含了if there is a new illness這個條件狀語從句。2）動詞不定式短語to resist that disease作定語修飾名詞the ability?？键c：resist vt.抵抗；對抗 閱讀下列句子，歸納resist的用法 Lack of proper nutrition reduces their power to resist disease.營養(yǎng)不良降低了他們對疾病的抵抗力。歸納：resist sb/sth意為抵抗/抵制某人/某物。 When he got to the place

5、，he couldnt resist going in.他到達那里時，禁不住走進去了。歸納：couldnt resist doing sth意為忍不住/禁不住干某事。考點延伸 resist的派生詞 resistant adj.抵抗的；有抵抗力的 This new type of infection is resistant to antibiotics.這種新傳染病對抗生素有抗藥力。resistance n反對；抵抗；抗拒 There has been a lot of resistance to this new law.反對這項新法律的人很多。即學即用 語法填空 1）He made no

6、_（resist）against it.完成句子 2）她真忍不住要笑。She _hardly _.3）我頂不住烤蘋果的誘惑。I _baked apples.答案：1）resistance2）could；resist laughing3）cant resist 3The dodo became e_tinct fairly recently so its DNA is still in good condition.渡渡鳥最近才剛滅絕，因此它的DNA仍舊完好?？键c：in good/poor condition 狀況很好/壞；情況很好/壞 閱讀下列句子，指出condition構(gòu)成的短語及含義 I

7、cant climb the mountain because I am out of condition.我不能爬山，因為我身體不適。短語：out_of_condition含義：身體不適 You can borrow the book on condition that you do not lend it to anyone else.你可以借這本書，條件是不要把它借給別人。短語：on_condition_that含義：條件是，在條件下 Dont worry about me.Im in good condition.不要擔心我，我身體很好。短語：in_good_condition含義：身

8、體很好 The car is badly damaged and in poor condition.這輛汽車損壞嚴重，狀況很壞。短語：in_poor_condition含義：狀況很壞 You must on no condition tell him what happened.你絕不要告訴他所發(fā)生的一切。短語：on_no_condition含義：在任何條件下都不，決不 即學即用 語法填空 1）I agree to his suggestion _condition that he drops all charges.2）Though the old temple has a history of over 1000 years，it is still _good condition.3）I had no e_ercise for ages；Im really _of condition.完成句子 4）The car is still