11. (2009浙江) The system has been designed to give students quick and easy _______ to the digital resources of the library.
A. access B. passage C. way D. approach
答案：A
解析：句意“设计这个系统的目的是让学生迅速、方便地使用图书光的数据资源”。access to固定短语，意为“有权使用，有机会接近”。

12. (2008天津) Most air pollution is caused by the burning of _______ like coal, gas and oil.
A. fuels B. articles C. goods D. products
答案：A
解析：句意“许多空气污染是由燃烧像煤、天然气和油等燃料所造成的”。

13. (2008安徽) To save some of the human languages before they are forgotten, the students in our school started a discussion “Save Our _______”.
A. sky B. Life C. Arts D. Voices
答案：D
解析：根据句意只有voices可以代替languages。

14. (2008江西) -- Shall we go out for a walk?
-- Sorry. This is not right _______ to invite me. I am too tired to walk.
A. moment B. situation C. place D. chance
答案：A
解析：句意“我们出去走走吧？”“对不起，真不凑巧，我太累了，走不动了”。此处为“……时刻”的意思，用the right/very moment表示“正好”的意思，而situation“情形”，place“地方”，chance“机会”，都不符合句子的意思。

15. (2008湖北) The young man made a _______ to his parents that he would try to earn his own living after graduation.
A. prediction B. promise C. plan D. contribution
答案：B
解析：语境说这个年轻人向父母保证/承诺，他毕业后会自食其力。Make a promise表示“许诺”。其他选项的含义：A“预测”，C“计划”；D“贡献”。

16. (2008湖北) The top leaders of the two countries are holding talks in a friendly _______.
A. atmosphere B. state C. situation D. phenomenon
答案：A
解析：句意“这两个国家的高层领导在友好的氛围中进行交谈”。A“氛围，气氛”；B“(人或物本身所处得)状态”；C“处境，境遇”；D“现象”。

17. (2008浙江) Dogs have a very good _______ of smell and are often used to search for survivors in an earthquake.
A. sense B. view C. means D. idea
答案：A
解析：句意“狗有灵敏的嗅觉，经常被用来搜寻地震中的幸存者”。此处sense表示“感觉；感官”。后三项分别表示“观点，方法，主意”，都不符合常识。

18. (2008山东) I bought a dress for only 10 dollars in a sale, it was a real _______.
A. exchange B. bargain C. trade D. business
答案：B
解析：句意：在甩卖中买的这条裙子只花了10美元，所以应该是一个便宜货(bargain)，而不是“交换(exchange)”。如果不注意主语it指的是上文所说的dress，就会误选“trade(贸易)”和“business(交易)”。

19. (2007山东) I can’t say which wine is best — it's a(n) _______ of personal taste.
A. affair B. event C. matter D. variety
答案：C
解析：matter意为“事件，问题”。根据所提供的情景，“I can’t say which wine is best”可判断出没有说那种酒最好，因为这是个人口味的问题。

20. (2007安徽) The practice of hanging clothes across the street is a common _______ in many parts of the city.
A. look B. sign C. sight D. appearance
答案：C
解析：sight意为“视觉，风景”，表示“在这个城市的大部分地方都能看见把衣服悬挂在街上的景象”。look意为“样子，外表”，a sign意为“记号，符号”。appearance意为“出现，露面，外貌，外观”。