We can learn from Paragraph 1 that______.
A．the average adult sleeps one and a half hours less than last century
B．24-hour entertainment offers those who can't sleep a way to kill time
C．lack of sleep may harm one's health and even threaten his/her life
D．people always don't have the incentive to get more sleep

未分类题How does the author feel about the current lack of technological literacy?

未分类题The underlined word in Paragraph 1 means______.A．obligationB．sleepC．hibernationD．vacation

未分类题According to the text, the purpose of RoboCup is to______.A．create a world ruled by robotsB．eliminate the need for human athletesC．test out artificial intelligence technologyD．for scientists to get together and have a good time

未分类题Mole rats are similar to humans in that they______.A．are virtually hairlessB．live in underground coloniesC．have opposable thumbsD．are able to kill parasites

未分类题Which of the following is the best title for the text?A．Everyone desires a good night's sleepB．A study on less sleep's jeopardyC．More sleep doesn't mean better lifeD．Less sleep, more heart disease