2. 外语
  3. We shouldn’t expect a technical innovation can be made perfect overnight. It has to be improved ______ in fact.

We shouldn’t expect a technical innovation can be made perfect overnight. It has to be improved ______ in fact.

admin2012-03-02  65
问题 We shouldn’t expect a technical innovation can be made perfect overnight. It has to be improved ______ in fact.
选项 A、from cover to Cover
B、at a good pace
C、in succession
D、step by step
答案D
解析 本题考查词组辨析。选项中from cover to cover=from beginning to end从头到尾；at a good pace=quite quickly相当快的；in succession=successively连续地；step by step=gradually一步一步，切切实实。这句话的意思是：我们不应该指望技术革新一夜之间就能做到十全十美，必须逐步加以完善。所以D符合句意。
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大学英语四级

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