Question

You can get the best result ______you carry out the experiment under the desired conditions.

A．what if

B．even if

C．only if

D．as if

Answer 1

C

试题分析：考查连词：A. what if倘若…又如何？B. even if即使，C. only if只有如果…，D. as if好像，句意：只有你在需要的条件下做实验才能得到最好的结果。选C。