18. The new government’s first __________ is the economy. (A) college (B) colleague (C) challenge (D) change
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：D
解答参考：[第三单元] D College n. 学院；colleague n. 同事, 同僚；challenge n. 挑战；change n. 改变, 变化
19. I couldn’t __________ who he was. (A) find out (B) set out (C) fill out (D) figure out
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：A
解答参考：[第三单元] A find out 意为“找出, 发现, 查明(真相等)”；set out 意为“出发, 开始,启程”；fill out 意为“填写, 使长大, 变大”；figure out 意为“想出，领会到”（表示通过仔细思考而逐渐明白了某件事这样一种动作）
20. It took hours of study before the solution finally __________ him. (A) dawned on (B) relied on (C) taken on (D) impressed on
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：A
解答参考：[第三单元]A dawn（常与on, upon连用） 意为“逐渐被了解；逐渐被感知”例如 The truth at last dawned on him. （最后他开始了解真相。）rely on 意为“依赖, 依靠”；take on 意为“呈现, 具有，承担”；impress on 意为“给……印象”
21. Children should be taught not to __________ handicapped people. (A) glare at (B) stare at (C) glance at (D) peep at
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：B
解答参考：[第三单元] B glare at 意为“怒视”；stare at 意为“凝视、紧盯着看”；glance at 意为“匆匆看一下, 一瞥”；peep at 意为“偷窥”
22. He looked me right __________ the eyes and lied. (A) at (B) in (C) for
(D) on
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：B
解答参考：[第三单元] B look at sb. right in the eyes 意思是“直视、正视某人”
23. I had some trouble __________ the letter. His handwriting is very bad. (A) on reading (B) reading (C) to read (D) read
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：B
解答参考：[第三单元] B have trouble/difficulty (in) doing sth. 意思是“做某事有困难”
24. We are puzzled __________ how it happened. (A) as usual (B) as yet (C) as well (D) as to
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：D
解答参考：[第三单元]D as usual 意为“照常”；as yet 意为“至今”；as well 意为“倒不如, 还是……的好”；as to 意为“关于, 至于”
25. He has very __________ eyes; he catches sight of things quickly. (A) shortsighted (B) farsighted (C) sharp (D) big
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：C
解答参考：[第三单元] C shortsighted 意为“近视的, 眼光短浅的”；farsighted 意为“有远见的”； sharp意为“锐利的, 锋利的”；big 意为“大的”
26. Jim couldn’t remember when he first met Professor Wang, but he was sure it was __________ Sunday because everybody was at __________ church.
(A) /, the (B) the, / (C) a, / (D) /, /
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：C
解答参考：[第三单元] C 某个星期天用a Sunday；be at / in church 意为“做礼拜”
27. Some first-generation college students carry __________ hopes and dreams of __________
parents for a better life than they have had. (A) /, their (B) their, the (C) the, their (D) the, /
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：C
解答参考：[第三单元] C hopes and dreams 之后有 of 短语修饰，所以前面应加 the 表示特指。根据上下文，大学生怀抱的是父辈们的希望和梦想，所以应为 hopes and dreams of their parents
28. I was one of those people who went to __________ college knowing exactly what I wanted to do with __________ life.
(A) /, my (B) a, the (C) /, the (D) my, my
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：A
解答参考：[第三单元]A go to college是固定短语，意为“上大学”do with my life 直译为“利用自己的一生”hopes and dreams 之后有 of 短语修饰，所以前面应加 the 表示特指
29. __________ division between English-speaking Canadians and French-speaking Canadians is __________ important issue Canada is faced with.
(A) An, the (B) An, an (C) The, the (D) The, an
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：D
解答参考：[第三单元] D Division 之后有 between 短语修饰，所以前面应加 the 表示特指。division是加拿大面临的一个重要问题，所以加 an
30. In the area, AIDS is __________ disease that the very mention of it strikes terror into the population.
(A) a so dreadful (B) so dreadful a (C) such dreadful (D) a such dreadful
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：B
解答参考：[第三单元] B so + adj. + a/an+可数名词+ that… = such + a/an + adj. +可数名词+ that…
31. __________ Japan and __________ United States are separated by __________ Pacific Ocean.
(A) the, the, the (B) /, /, the
(C) /, the, / (D) /, the, the
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：D
解答参考：[第三单元]D 国名之前一般不加定冠词，the United States 属于专有名词，表示美国。四大洋之前要加定冠词。
32. __________ violin is one of __________ hardest musical instruments to play. (A) The, the (B) A, the (C) /, the (D) /, /
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：A
解答参考：[第三单元]A 琴类名词前要加定冠词；形容词的最好级之前要加定冠词。
33. __________ banker is __________ man who lends you __________ umbrella when the weather is fair, and takes it away from you when it rains. (A) The, the, the (B) A, a, an (C) A, the, an (D) The, a, an
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：B
解答参考：[第三单元] B A（冠词）+名词+is a… 可用来对名词下定义。雨伞前的不定冠词为 an
34. __________ happy family is __________ Heaven on __________ Earth. (A) A, /, / (B) A, a, the (C) The, a, / (D) The, the, the
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：A
解答参考：[第三单元]A Heaven on Earth为固定搭配，意思是“人间天堂”，前面不加冠词
35. George is studying __________ Chinese geography and his sister Ann is studying __________ history of China. (A) the, the (B) the, / (C) /, the (D) /, /
你选择的答案： [前面作业中已经做正确] [正确] 正确答案：C
解答参考：[第三单元]C Chinese 已经具有限定作用，前面用零冠词。History 之后有 of 短语修饰，所以前面家 the 表示特指