高中英语Unit2CloningSectionⅡLearningaboutLanguage(

高中英语Unit2CloningSectionⅡLearningaboutLanguage（教师用书）教案新人教版选修8

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Ⅰ。单词拼写

根据汉语或首字母提示，写出下列单词

1．Scientists are hoping for a breakthrough(突破) in the treatment of cancer.

2．It is said that your team will be asked to undertake（承担） the research.

3．Seeing other kids casting（投；掷) small stones into the stream，the

little boy also tried to do the same。

4．People's tastes in music differ（不同） from person to person—some are

fond of classical music while others enjoy pop music。

5．I could not find the exact（准确的） words to express my feelings at that

time.

6．Don’t bother your father about it now；he's very tired.

7．It is rather difficult for them to obtain another chance to give

a

performance in the city hall。

8．It is unfair that the upper class should continue to accumulate wealth。

9．The students voiced a strong objection to the new plan。

10．Look at the sign。Smoking is forbidden in this shopping mall。

Ⅱ。拓展词汇

根据词性和汉语提示，写出下列单词

1．differ vi。不同;相异→different adj。不同的；与众不同的→difference n．差异；区别→differently adv。不同地

2．exact adj.精确的；准确的→exactly adv.确切地

3．correct vt.改正；纠正→correction n．改正；修正；纠正

4．object vi。不赞成；反对→objection n．不赞成;反对；异议

5．accumulate vt。& vi。积累;聚积→accumulation n．积累

错误!

adj.＋.ly→adv。 v.＋.（t）ive→adj. 高中英语Unit2CloningSectionⅡLearningaboutLanguage（教师用书）教案新人教版选修8

- 3 - / 11 roughly粗糙地

quietly轻声地

silently沉默地

select→selective挑选的

sense→sensitive敏感的

compete→competitive竞争的

Ⅲ.补全短语

根据提示补全下列短语

1．pay off 得到好结果；取得成功；偿清

2．on the one hand 一方面

3．cast down 使失望；使沮丧

4．have an impact on．．． 对……有影响

5．at present 目前;现在

6．in favour of 赞成；支持

7．differ from．．． 与……不同

8．object to 反对；不赞成；抗议

Ⅳ。选词填空

选用上述短语的适当形式填空

1．She made it clear that she objected to the proposal,for it was useless。

2．The environmental challenges are significant but the efforts made by the

Tanzania National Park Authority seem to be paying off．

3．He was cast down because he was scolded。

4．There were 16 votes in favour of my suggestion,and 15 against it。

5．The amount of taxation will have an impact on the economy of a country。

背教材原句 记句式结构 仿写促落实

1.Cloning plants is straightforward

while cloning animals is very

complicated。

克隆植物简单，而克隆动物非常复杂。 并列连词while意为“却；而；然而”,表示对比. Most of my

classmates wanted

to go to a park

while I had an

idea of going to a

nicer place.

我的大部分同学都想去公园，而我想去一个更好的地方。

2。Then came the disturbing news then位于句首引起完全Then came the 高中英语Unit2CloningSectionⅡLearningaboutLanguage（教师用书）教案新人教版选修8

- 4 - / 11 that Dolly

had become

seriously

ill。

接着传来了多莉病重的坏消息。 倒装;that引导同位语从句。 exciting news that

our team won the

game.

然后传来了令人兴奋的消息，我们队赢得了比赛。

3。Although at present human egg

cells and embryos needed for cloning

research are difficult to

obtain,newspapers wrote of evil

leaders hoping to clone themselves

to attain their ambitions。

尽管目前供克隆研究的人类卵细胞和胚胎很难获得,报纸上报道说,有些邪恶的头目希望把自己克隆出来以实现他们的野心。 在“主语＋be＋某些形容词＋不定式”结构中常用不定式的主动形式表示被动意义. A man who is so

difficult to

please must be

hard to work with.

一个很难取悦的人一定很难与之共事。

4。However,scientists still wonder

whether cloning will help or harm us

and where it is leading us.

然而，科学家们仍对克隆技术有助于人类还是有害于人类，以及克隆技术将把我们引向何方感到困惑。 wonder

whether/if。.。“想知道……”。 I am wondering if

you could tell me

more about this

activity.

我想知道你是否能告诉我有关这项活动更多的信息.

differ vi。不同；相异

（教材P10）Think about how they differ。

考虑它们有何不同。

(1）differ from．．． 与……不同/有区别

differ in．．． 在……方面不同

differ with sb。on/about/over sth. 与某人在某事上持不同(看法）

（2)different adj。 不同的

be different from．．． 与……不同 高中英语Unit2CloningSectionⅡLearningaboutLanguage（教师用书）教案新人教版选修8

- 5 - / 11 （3)difference

n。

不同;差别

make a difference （to.。.) (对……）有作用或影响

make no difference （to.。.） (对……）没有影响

①Worried about my health，I tried many different kinds of diets but nothing

worked.因为担心健康,我尝试了不同的节食方法，但都没有起作用.

②Apparently，the twins differ from each other in character。很显然,这对双胞胎在性格方面不一样。

③In our daily life，everyone fails every now and then.But it is how you

react that makes a big difference.在日常生活中，每个人都会时不时地失败,但你如何做出反应却有很大影响。

④There’re many differences（differ）between British English and American

English。

英式英语与美式英语有很多不同。

［语境助记]

From the appearance，we can not tell the difference between the twins,though

they always have some different ideas。And as for this phenomenon,ideas differ

among many people。

从外表我们很难说出双胞胎的不同，虽然他们经常有不同的想法。对于这个现象,人与人的看法都不一样。

undertake vt.着手；从事;承担；保证

（教材P11）It is a difficult task to undertake。

这是一项很难完成的任务。

undertake a task/responsibility 承担任务/责任

undertake to do sth。 同意、答应或着手做某事

undertake for．．． 为……负责

undertake that．．． 保证……

①I can undertake that you will enjoy the trip。