解答参考：[第二单元] C 形容词 broad 的动词形式是 broaden，其他选项起混淆作用
15. We always ______ all sorts of warning signals about our health, leaving regrets in the end. (A) overlooked (B) overtook (C) overacted (D) overemphasized 你选择的答案： A [正确] 正确答案：A
解答参考：[第二单元] A overlook 意为―忽视‖；overtake 意为―战胜‖；overact 意为―表演得过分‖；overemphasize 意为―过分强调‖
16. Lots of children have ______ friends. (A) image (B) imagination (C) imaginary (D) imaginative 你选择的答案： C [正确] 正确答案：C
解答参考：[第二单元] C image n. 形象，影象；imagination n. 想象力；imaginary adj. 想象中的，虚构的；imaginative adj. 富有想象力的
17. Their cold-blooded killers dragged their ______ bodies upstairs to the bathroom. (A) selfless (B) lifeless (C) helpless (D) hopeless
你选择的答案： B [正确] 正确答案：B
解答参考：[第二单元] B selfless 意为―无私的‖；lifeless 意为―没有生机的，死的‖；helpless 意为―无助的‖；hopeless 意为―无助的，无望的‖
18. Every year my father would call a family meeting to discuss where we were going ______ vacation. (A) in (B) with (C) on (D) at
你选择的答案： C [正确] 正确答案：C
解答参考：[第二单元] C 固定搭配 on vacation，意思是―度假‖
19. My grandma become more and more sad and frail as the years went ______. (A) in
(B) off (C) down (D) by
你选择的答案： D [正确] 正确答案：D
解答参考：[第二单元] D go in 意为―钻进去‖；go off 意为―开枪，出问题‖；go down 意为―下降‖；go by 意为―时间流逝‖
20. He spends a whole day ______ by the pool, waiting the fish to be hooked. (A) standing (B) stand (C) stood
(D) being standing 你选择的答案： A [正确] 正确答案：A
解答参考：[第二单元] A spend后面一般用介词 in+动名词短语，表示―把时间花在做……上‖。介词 in可以省略
21. As days went by, a deep friendship began to ______ between them.
(A) become (B) develop (C) come
(D) stand
你选择的答案： B [正确] 正确答案：B
解答参考：[第二单元]B develop friendship 是固定搭配，意为―建立友谊‖
22. He took a taxi to the airport in a hurry ______ find that he forgot the ticket at home. (A) to
(B) in order to (C) only to (D) as to
你选择的答案： C [正确] 正确答案：C
解答参考：[第二单元]C A) to 在句中引出目的状语，逻辑不对；B) in order to 更明确地连接目的状语，逻辑不对；D) as to 连接结果状语，但语气不如C) only to 强，后者还含有转折的意思：―结果却‖
23. The burning question in this year’s debate is: whose taxes should ______. (A) raise (B) be raised (C) rise (D) be risen
你选择的答案： B [正确]
正确答案：B
解答参考：[第二单元] B raise 是及物动词，在本句中应用被动语态；rise 是不及物动词，不加宾语。而本句中 taxes 是动词的宾语，所以只能选择 B
24. A man I easily ______ as Bob’s father sat there with a newspaper in hands. (A) knew (B) understood (C) had (D) recognized 你选择的答案： C [正确] 正确答案：C
解答参考：[第二单元] D know 表示―认识‖；understand 表示―理解‖；recognize 表示―辨认出‖
25. The interesting thing about Jack is his sixth ______ for finding lost dogs. (A) sense (B) emotion (C) feeling (D) sensibility
你选择的答案： A [正确] 正确答案：A
解答参考：[第二单元] A the sixth sense 固定搭配，表示―第六感‖