Using LanguageⅡ课堂实录及点评

.单词荟萃

1．________ vt.(undertook，undertaken) 着手；从事；承担

2．________ vt.(forbade，forbad；forbidden) 禁止；不准

3．________ vt.欠(账、钱、人情等)；归功于……

4．________ vi. & vt.(struck，struck) 打；撞击；罢工

n. 罢工

5．________ vi.不同；相异→different adj.不同的→difference n. 不同；差异

6．________ adj.精确的；准确的→exactly adv.恰好地；精确地；正确地

7．________ adj.商业的；贸易的→commerce n．商业

8．________ n．改正；纠正；修正→correct vt.改正adj.正确的；恰当的；端正的

9．________ vi.反对；不赞成→objection n．不赞成；反对；异议→objective adj.客观的；就事论事的

10．________ vt.& vi.积累；聚积→accumulation n．积累；增加

11．________ vi.退休；离开→retirement n．退休

12．________ n．假定；设想→assume vt.假定；设想

13．________ n．规则；规章；法规→regulate

vt.调节；管理

14．________ n．受人喜爱；流行→popular adj.流行的，通俗的；受欢迎的

15．________ adj.最初的；开始的→initially

adv.最初；开始；起初

16．________ vt.抵抗；对抗→resistant adj.抵抗的；有抵抗力的→resistance n．抵抗；对抗

17．________ n．装饰→decorate vt.装饰；装潢

18．________adj. 不能的；不会的→able adj. 能；[经管] 有能力的；能干的→ability n．能力

19．________adv.公平地；相当地→fair adj.公平的

20．________ adj.合情理的；讲道理的；公道的→reason n．原因；道理

Ⅱ.短语检测

1．____________________

得到好结果；取得成功；偿清

2．____________________

另一方面

3．____________________

使失望；使沮丧

4．____________________

对于……来说合适

5．____________________

修改……

6．____________________

引发了……的风暴

7．____________________

使某人看清某事

8．____________________

对……有影响

9．____________________

白费力气；枉费心机

10．____________________

赞成；支持

11．____________________

一定或注定(做)……

12．____________________

使……刻骨铭心

13．____________________

不时，偶尔

14．____________________

使复生；使复活

15．____________________

状况很好(坏)；情况很好(坏) Ⅲ.佳句再现

1．Then came the disturbing news________________ Dolly had become seriously ill. 接着传来了多莉病重的坏消息。

2．However，scientists still wonder ________________ cloning will help or harm us and

where it is leading us. 然而，科学家们仍然想知道克隆对我们有利还是有害，以及它会把我们引向何方。

3．Diversity in a group means having animals with their genes________________ in different ways. 群种的多样性指的是拥有不同的基因排列方式的动物。

4．The advantage is ________________ if there is a new illness some of these animals may die…

其优点是如果出现了某种新的疾病，这类动物中的一些可能会死掉……

5．________________ what we know now, you cannot clone animals that have been extinct longer than 10，000 years. 就我们现在所知，你不可能克隆那些已经灭绝了一万年以上的动物。

Ⅳ.课文回顾

It is suggested that extinct animals can possibly come back

1.________ life through cloning, but 2.________ (fortune), this is either impossible or unsuitable. The reasons are as follows：

3．________ is required is that you need perfect DNA and enough 4.________ (diverse) in the group to overcome illnesses, which means having animals with their genes 5.________ (arrange) in different ways. The advantage is 6.________ if there is a new illness some of these animals may die, but others will 7.________(survival). A suitable habitat would be needed for the extinct animals to lead a natural life, so it would be 8.________ (fair) to clone any of them if they were to live in a zoo. 9．________ (base) on the reasons above, we are a long way from being able to clone extinct animals, so the chance of dinosaurs ever returning to the earth is 10.________ (mere) a dream.