2. Mr. and Mrs. Turner were happy because ________.

　　 A. their son did well in his lessons

　　 B. they have a big farm

　　 C. they have a good harvest

　　 D. their son studied at a middle school

3．第三段中说明大学、医院等都被允许使用电脑，然而，计算机仍然很贵，并且网络很难使用。

2．文中第二段阐明计算机网络工作状况不好(didn't work well)。

1．第二段开头讲互联网是在60年代建立的，故至今历史已超过30年。

4. People didn't have enough software to get on-line conveniently until the early 1990s.

　　 T 　　 F

参考答案：　1．F　2．T　3．F　4．T

　讲解：

3. Computers become cheaper so that many hospitals and banks were allowed to use them.

　　 T 　　 F

2. In the 1960s computer networks went wrong easily.

　　 T 　　 F

4．根据文意，他奶奶住他楼下，倒数第二句又讲他用脚在地板上发出“Bang...”的声音，故应是用脚跺楼。