【推荐1】Effective measures have been taken to prevent _______pollution.

A．exhausted gas	B．exhausting gas
C．exhaust gas	D．exhaustion gas

【推荐2】Though the policemen got        after looking for the murderer in the city for a whole day, they felt excited when finding an        knife by the lake.

A．exhausting; abandoning	B．exhausted; abandoning
C．exhausted; abandoned	D．exhausting; abandoned

【推荐2】Let us focus on building a better Daqing where more ______ industries will be established, thus contributing greatly to economic development and environmental protection.

A．sweaty

B．shallow

C．severe

D．sustainable

【推荐3】Considering writers’ different historical backgrounds, a literary critic should not be too ________ in his approach to judging a piece of writing.

A．sufficient

B．superior

C．sustainable

D．subjective

【推荐1】I have been so ________ with work that I haven’t had time for social activities.

A．steady

B．appropriate

C．urgent

D．occupied

【推荐2】—I hope we have opportunities to see each other in the future.
—Is it a ____ way of telling us you are to leave?

A．controversial

B．roundabout

C．confidential

D．ridiculous