全国通用2010年高考二轮总复习重点词汇讲解及练习三百六十题（上）

一、单项填空

1. 难度：简单

I left for the office earlier than usual this morning _____ traffic jam.

A．in line with	B．in case of
C．for the sake of	D．at the risk of

2. 难度：简单

Dress warmly, _____ you'll catch cold.

A．on the contrary

B．or rather

C．or else

D．in no way