2019屆高三英語Cloning教案
on condition (that)... 在……條件下；倘若…… on no condition 一點也不; 決不
[練習] 根據句子的要求在括號里填入適當的介詞。
1). the car has been well maintained and is _______ excellent condition.
2). he’ s _______ excellent condition _______ a man of his age.
3). i had no exercise for ages; i’ m really _______ condition.
4). you can go out _______ condition that you wear an overcoat.
keys: 1). in 2). in; for 3). out of 4). on
ⅴ.重點句子 （旨在提供句子結構等所需材料）
1. the fact that she seemed to develop normally was very encouraging. 她（多莉羊）似乎生長正常的事實很鼓舞人心。
[解釋] “that she seemed to develop normally”是一個同位語從句，作the fact的同位語。同位語從句一般由that引導，常放在fact，truth，news，information，idea，thought，hope，suggestion，advice，reply，remark，report等名詞后面，說明該名詞的具體內容。當先行詞是problem，question或當主句是表示疑問或否定意思時，連接詞要用whether或其他的疑問代詞或副詞。如：
1). the news that he has been elected president of the united states is true. 他當選美國總統的消息是真的。
2). the question whether we should continue to do the experiment has not been answered yet.
我們是否該繼續實驗的問題還沒有被解決。
3). i have no idea where the new library will be built. 我不知道新圖書館將要建在哪。
[練習] 根據句子的要求在括號里填入適當的介詞。
1). the truth _______ heavy objects and light objects fall at the same speed is known to us all.
2). the question _______ we ndde to spend more time on the project has not been discussed.
3). the explanation _______ he had met with an accident on his way was acceptable.
keys: 1). that 2). whether 3). that
課文要點（模塊）
ⅰ.課文詞匯等填空（旨在復習本課文中的單詞拼寫和主要詞語等）
根據課文內容完成下面語法填空，注意單詞拼寫和詞語用法：
cloning is a way of _____1_____(make) an exact copy of another animal or plant. cloning has two ___2____(主要的) uses. firstly, gardeners use it to produce plants. secondly, it is ____3_____(value) for medical research on animals. cloning plants is straightforward but the cloning of animals is more____4______(復雜的). the procedure is difficult to ____5_____(開展). in 1996, scientists succeeded in ___6_____(clone)dolly the sheep. then came the disturbing news that dolly was ill. _____7______ dolly lived for six years, dolly’s appearance raised a storm of _____8_____(object). government became nervous and many ______9______(禁止) research into human cloning. scientists still ____10______ whether cloning will help or harm us and where it is leading us.