2. 外语
  3. Uniform acceleration occurs ______ the rate of change remains the same over successive equal intervals of time.

Uniform acceleration occurs ______ the rate of change remains the same over successive equal intervals of time.

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问题 Uniform acceleration occurs ______ the rate of change remains the same over successive equal intervals of time.
选项 A、according
B、if
C、with
D、under
答案B
解析 if可以引导条件状语从句和假设状语从句，作“如果”解，如：I don’t know what would have happened if Jane hadn’t been able to speak Greek．要是简不会说希腊语，我就不知道会发生什么事了。
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