35．withdraw v. 收回；撤销(说过的话)

　　36．a_huge_number_of 大量的　　　　　　　　　　　　　　　　　　　 　 　 　

　　[第十屏听写]

　　37．as_long_as　　　　　只要

　　38．get_down_to_sth. 开始做某事

　　39．in_conclusion 总之

　　40．let_sb._down 使某人失望

　　41．lie_in 在于

　　42．tell_...apart 区分开　　　　　　　　　　　　　　　　　　　 　 　 　

　　二、单元核心考点初热身--提供语境，单元考点自测回顾

　　(一)分类识记单词--用时少·功效高

识记单词写对 Ⅰ.知其意(英译汉)

1.absurd adj.　　荒谬的，荒唐的

2.ambiguous adj. 歧义的；含糊的

3.ancestor n. 祖先，前辈

4.betray v. 对......不忠

5.clarify v. 弄明白；澄清

6.classify v. 将......分类 7.prejudice n．　　偏见；歧视

8.rhythm n. 节奏；韵律

9.dilemma n. 进退两难的境地；困难的抉择

10.vague adj. 不明确的；含糊的

Ⅱ.写其形(汉译英)

1.candidate n. 投考者，应考人 2.acquire v．　　得到，获得

3.conflict n. 抵触；冲突

4.debate n. 讨论；辩论

5.potential adj. 潜在的；可能的

6.relevant adj. 有关的；切题的

7.withdraw v. 收回；撤销(说过的话)

8.unique adj. 独一无二的；独特的 核心单词练通 1.Experts suggest that teenagers spend at least 30 minutes exercising.Five times a week.Walking and riding your bike count (很重要), and so do school sports.

2.It didn't matter (有影响) whether the weather was good or bad.

3.The president opposes (反对) giving military aid to this country.

4.The ambassador personally conveyed (传达) the president's message to the premier.

5.Hopefully, another ten volunteers will have been selected (挑选) to work in the new exhibition by the end of this week.

6.Her brother was rejected (拒绝接受) by the army because of his bad eyesight.

7.Kathy has wasted so much time playing, thus (因此) failing in the exam.

8.Relying on their own efforts, they overcame (克服) all the difficulties and finished the task ahead of time.