2. 考研
  3. Dr. Hawking has made much contribution to the theories of modem physics at the ______ of his health.

Dr. Hawking has made much contribution to the theories of modem physics at the ______ of his health.

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问题 Dr. Hawking has made much contribution to the theories of modem physics at the ______ of his health.
选项 A、cost
B、disposal
C、mercy
D、expenditure
答案A
解析 本题的重点是固定搭配词组的应用。at the cost of意思为"以…为代价"；at the disposal of意思为"舍弃…"; at the mercy of意思为"受…的影响(控制)"；at the expenditure of为错误搭配，应该是at the expense of，与at the cost of为同义词词组。全句意思为：霍金博士以他的健康为代价，在现代物理理论方面做出了巨大的贡献。
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