No one would have time to read or listen to an account of everything -考呗网题库移动版

单选题 No one would have time to read or listen to an account of everything __________ going on in the world.

A．it is
B．which is
C．that is
D．what is

参考答案C

解析:

单选题 The millions of calculations involved, had they been done by hand, __________ all practical value by the time they were finished.

A．had lost
B．would lose
C．would have lost
D．should have lost

单选题 You should have your eyes tested every year in case the __________ of your spectacles need changing.

A．lenses
B．glasses
C．sights
D．crystals

单选题 Good travelers don't leave __________ on trains or airplanes.

A．rubbish
B．litter
C．garbage
D．pollutant