补充：
convert: vt.（常与into连用）转变；变换; 兑换
e.g. That building has been converted into a school.
那座楼房改成学校了。
e.g. I want to convert some Hong Kong dollars into American dollars.
我想把一些港元换成美元
3. Hundreds of years ago cloves （丁香）were used to remedy headaches.
A) disrupt      B) diagnose        C)  evaporate   D) cure
答案及解析: D. 解题思路：备选答案均为动词，关注原句中的宾语headaches（头痛）。解题思路：在习惯搭配上，B和D都可带“疾病类”的词作宾语，但头痛不用diagnose （诊断），却可cure （治疗）头痛，所以答案为D。另外diagnose 的用法是：diagnose… as...，如：The plastic surgeon diagnosed my illness as a rare bone disease./整形外科医生诊断出我的病是一种罕见的骨病。
4. Experts generally agree that diet has an important bearing on ones health.
A) result       B) factor        C)  cause   D) influence
答案及解析: D。 解题思路：从习惯搭配的角度解题：只有D才能和介词on搭配使用。
补充：
influence n. （常与on连用）影响力；感化力; vt. 影响
e.g. Many a woman has had an influence upon her husband. 许多妇女对其丈夫有影响。
Bearing: n. （与on, upon连用）关系
e.g. What they have done has no bearing on the promotion of sales.
他们所干的事情与这次促销活动毫无联系
5. Mary was compelled to take in washing to help support her family.
A) pleaded  B) appealed        C)  forced  D) instructed
答案及解析: C. 解题思路：借助句意：Mary。。在家里帮别人洗衣服以帮助养家糊口。而C的含义最合适句意。被选项中：
补充：
appeal常用appeal to sb./sth.的结构，表示：“呼吁，恳求，吸引，引起兴趣”；to appeal for aid/求助；
plead是 “恳求，托词，以…作藉口，为…辩护；为…抗辩”，plead the rights of the unemployed /为失业者的权利据理力争；
instruct教；通常的用法是：instruct sb. in sth. 如：instruct a class in history /教授一个班的历史；（常与to + inf连用）命令，如：instruct sb. to start early /命令某人早动身
take in: v. 接受, 吸收, 理解, 欺骗
take A for B: v. 把A误以为B
take ..into account/consideration: v. 重视, 考虑
take part in..: v. 参与, 参加
take pride in.. v. 以...为骄傲
6. They had a far better yield than any other farm miles around this year.
A) goods        B) soil
C) climate      D) harvest
答案及解析: D。在该句中yield 是用作名词（因为该词的前面有不定冠词a），解题思路：抓住句子中与划线部分相关的结构或用词特点。能与不定冠词a搭配使用的被选项只有C和D（气候，倾向， 风气，如：a mild climate温和的气候）。再借助句子中其他特征词：farm，判断harvest“收成”是答案。
Yield: vt, vi出产, （常与to连用）放弃；投降；让步 n.  产量；收成
e.g. That tree yields fruits. 这种树结果。
e.g. The army yielded when it was attacked.
当这支军队受到进攻时投降了
7. If a country wants to develop its economy successfully, there has to be a clear appraisal of its social needs.
A）aptitude     B） assurance       C） insurance     D）assessment 
答案及解析: D． 解题思路：搭配结构。
Appraisal n. 评价, 估价
Aptitude: n. 能力；才能；天资
assurance n 自信；把握 (= self-assurance) , 保险
e.g. life assurance 人寿保险
Assessment n.评估,看法
e.g. What is your assessment of the situation?
你对时局的看法如何
8. To a first-year student, the doctoral degree is a distant expectation.
A. aspect       B. respect        C. prospect        D. spectacle
答案及解析:C.解题思路：句意。
Aspect n 模样；面貌， 方面
e.g. only one aspect of the problem
只是问题的一个方面
prospect n希望；期望
e.g. Theres not much prospect of Mr Smiths being elected as Congressman.
史密斯先生被选为议员的希望不大。
Spectacle n.观览物, 展览物, 奇观, 景象 
9．During the past ten years there have been dramatic changes in the international situation.
A) p  ermanent        B) powerful