Question

1. The  idea " happiness",   ，will not sit still for easy definition.

A. to be rigid     B.  to be sure

C. to be perfect    D.  to be fair

Answer 1

1.    B考查介词短语辨析。句意：幸福，明确说来，仍然不容易定义。to be rigid严格说来；to be sure明确说来；to be perfect 完美说来；to be fair公平说来。根据语境可知B项正确。