题目内容

The new president said she would _______ herself to protecting the rights of the old and the homeless.

A. dedicate
B. save
C. focus
D. create

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In general, smokers living in cities are slightly more_______ to lung cancer.

A. addictive
B. prone
C. reactive
D. likely

Since the beginning of this century, China has built many modern conference centers with underground parking, air-conditioning and ________translation systems.

A. separate
B. parallel
C. simultaneous
D. stimulating

He is ______ the days left in the school year.

A. counting in
B. counting down
C. figuring out
D. breaking off

Laborers are______ at a job they don’t enjoy for a small monetary reward, waiting all day until they go home and play.

A. bargaining away
B. carrying through
C. setting down
D. slaving away

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