2. 外语
  3. Proponents of artificial intelligence say they will be able to make computers that can understand English and other human langua

Proponents of artificial intelligence say they will be able to make computers that can understand English and other human langua

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问题 Proponents of artificial intelligence say they will be able to make computers that can understand English and other human languages, recognize objects, and reason as an expert does-computers that will be used to diagnose equipment breakdowns, deciding whether to authorize a loan, or other purposes such as these.
选项 A、as an expert does-computers that will be used to diagnose equipment breakdowns, deciding whether to authorize a loan, or other purposes such as these
B、as an expert does, which may be used for purposes such as diagnosing equipment breakdowns or deciding whether to authorize a loan
C、like an expert-computers that will be used for such purposes as diagnosing equipment breakdowns or deciding whether to authorize a loan
D、like an expert, the use of which would be for purposes like the diagnosis of equipment breakdowns or the decision whether or not a loan should be authorized
E、like an expert, to be used to diagnose equipment breakdowns, deciding whether to authorize a loan or not, or the like
答案C
解析 B、D中的which和the use of which中不知which指什么(objects，language，expert还是computer)，由于此处离computer太远，which的指代有歧义；E中同理，to be used to找不到其动作的执行者；同时，deciding与to diagnose不满足平行结构要求；D中的举例用like，在GMAT中是绝对不允许的；而A中：such as these的表达放在列举的结尾，是不符合“such as应放在列举之前”的习惯用法，同时A、B中as之后补出的does与之前的can不对应；C中：通过重复computers，代替前面出现的computers，使其后定语从句的先行词明确，同时用such as举例。值得提出的是：从语法上讲，as an expert can与like an expert意思上没有任何区别，但为了满足简洁的要求，倾向于用后者而不用前者。
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