第四版 新视野1 unit5

economic ___

经济改革

• reform

• revolution

• evolution

• innovation

blaze a trail

• 熊熊燃烧

• 开路，带头

• 猛烈开火

• 封锁，围困

以下哪个词可以做permanent的反义词?

• eternal

• perpetual

• temporary

• immortal

Genetic engineering will have ___consequences for mankind.

• A. revolution

• B. revolutions

• C. revolutionize

• D. revolutionary

He likes sports and seems to be ___ enough to climb to the mountain top in an hour.

• vigorous

• conscientious

• conscious

• fatigued

根据重读闭音节规则，以下哪一个单词在变成过去式时 无需 双写最后一个字母？

• sum

• regret

• prefer

• order

请用所给单词的适当形式填空。

They had a (a)   (cease) quarrel from noon to night.

请用所给单词的适当形式填空。

His efforts to improve his working ability need to be (a)   (applause).

请用所给单词的恰当形式填空。

To (a)   (initiative) the conversation bravely is the beginning of success.

以下单词含义与其他三项不同的是？

• crucial

• cruelty

• critical

• vital