游客
题文

______ has an internal clock that regulates the beating of our hearts, and the ______ of our breathing.

A.Mankind; step B.Human; pace
C.Human being; step D.Man; pace
科目 英语   题型 单选题   难度 中等
登录免费查看答案和解析
相关试题

Health care in remote mountainous areas is very limited as there are no doctors or nurses in the villages------no one has the __________ to pay them. This way sick people will __________ die.

A.means, eventually B.ways, mysteriously
C.methods, gradually D.approaches, unfortunately

Kerry isn’t working hard to __________ his wife and children, which in my opinion will __________ his marriage failure.

A.bring up, add to B.get hold of, lead to
C.provide for, contribute to D.raise up, add up to

------“The Leaning Tower of Pisa must be saved, __________ the cost.”
------“But Italy is now deep in the European Debt Crisis. It would be unlikely __________ its government hoped to ”

A.however, even though B.whatever, even if
C.whoever, as if D.whichever, as though

Had it not been for the fact that about 30 pupils __________ in the state of Connecticut a fortnight ago, their parents ___________ in deep sorrow now.

A.had been killed, wouldn’t be
B.were killed, couldn’t be
C.would have been killed, mightn’t be
D.should be killed, wouldn’t be

The boy insisted that he __________ nothing wrong and that he __________ at once.

A.did, should be set free B.should do, must be set free
C.do, should be set free D.did, must be set free

Copyright ©2020-2025 优题课 youtike.com 版权所有

粤ICP备20024846号