单项选择题

One reason that might explain Page's sleeplessness was _________.

A．his mother's injury before he was born
B．that he had gradually got rid of the sleeping habit
C．his magnificent physical condition
D．that he hadn't got a bed

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热门试题

单项选择题

The main idea of this passage is that _________.

A．large numbers of people do not need sleep
B．a person was found who actually didn't need any sleep
C．everyone needs some sleep to stay alive
D．people can live longer by trying not to sleep

单项选择题

Electronic equipment causes all the following problems EXCEPT that _________.

A．personal information is given to strangers
B．children's eyes are harmed
C．news of the world is given to all people
D．family members don't talk to each other