Question

We are all aware _________ the many threats _________ the environment and we need to take action to prevent us from the bad consequences.

A．of; to

B．of; on

C．that; to

D．that; on

Answer 1

A

试题分析：句意：我们都知道许多对环境的威胁，我们需要采取行动来阻止我们的不良后果。be aware of .知道; 意识到;many threats to …诸多对……的威胁。如：many threats to economic growth诸多经济增长的威胁。
考点: 考查介词搭配的用法。