单项选择题A.Children’s IQ and TV.B.The whole amount of time children spend watching TV.C.The effect TV has on learning.D.The amount of time the average child spends watching TV.
单项选择题A.Nobody came to talk to the speaker.B.People didn’t listen to the speaker attentively.C.People kept interrupting the speaker.D.People made fun of the speaker.
单项选择题A.In a library.B.In a school.C.In a bookstore.D.In a publishers’ office.
单项选择题A.He hasn’t had time to do the experiment.B.The experiment took a lot of time.C.The experiment turned out well.D.He only did part of the experiment that day.
单项选择题A.A lot of stolen credit cards were sold on the Internet.B.Cheat on the Internet.C.Many Web sites are destroyed.D.Many illegal Web sites are on the Internet.