1. Henry’s business is much worse than before, therefore he has to ______ the cost.
A. cut off
B. cut into
C. cut down
D. cut in
2. You need to find reliable information to make ______ investment choices.
A. sensitive
B. sure
C. steady
D. sound
3. Most economic data, ______ regarding hiring, is positive.
A. particularly
B. specifically
C. exclusively
D. completely
4. ______ Newton was to mechanics and Darwin to biology, Freud was to psychology.
A. What
B. Who
C. That
D. Which
5. Although many people view conflict as bad, conflict is sometimes useful ______ it forces people to test the relative merits of their attitudes and behaviors.
A. by which
B. to which
C. in that
D. so that
1.【答案】C。解析：考查动词词组辨析。句意：亨利的生意每况愈下，因此他不得不靠削减费用来维持。A. 切断;中断;使死亡;B. 打断;侵犯;C. 削减;砍倒;杀死;D. 插嘴;插入。根据句意C项符合。
2.【答案】D。解析：考查形容词辨析。句意：你需要找到可靠的信息来作出合理的投资选择。sound“合理的;健康的;可靠的”，符合句意。sensitive敏感的;steady平稳的。sure确信的，可靠的，常做表语，一般不做定语;make sure弄清楚，查明白。
3.【答案】A。解析：考查副词辨析。句意：大多数经济数据都是相当正面积极的，尤其是关于招聘方面的。particularly特别地，尤其是，符合语境;specifically特定地，明确地;exclusively唯一的，专有的;completely完全地，彻底地。
4.【答案】A。解析：考查固定结构。句意：弗洛伊德之于心理学犹如牛顿之于力学，达尔文之于生物学一样。What C is to D, A is to B是一个固定说法，表示A之于B，犹如C之于D一样。故正确答案为A。
5.【答案】C。解析：考查连词。句意：尽管许多人把冲突看成是不好的，但它能迫使人们去检验他们的态度与行为的相应优缺点，因而冲突有时是有用的。通过分析句子结构可知，句子不缺成分，故排除A、B选项;空格后的句子是原因状语从句，来解释为什么“冲突有时是有用的”，引导原因状语从句的只有in that(因为)，故答案选C。so that引导目的状语从句。
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