题目内容：

Are you able to send a letter with pictures and sounds to someone somewhere in the world without a stamp(邮票) on it? Using a computer you can send e-mails quickly and easily. The post is much slower than e-mail. E-mail can send its message to the other side of the world in seconds.

E-mail is easy to use and it saves time and money. The differences in time in different parts of the world do not matter when sending e-mail. It’s twenty-four-hour service(服务) that you can send e-mail at any time of the day or night. No one has to be there to get e-mail. It does not matter if your friends are in beds when you send e-mail to them, or you are seeing a movie at the movie theater when they send e-mail back.

1.We can use a       to send e-mail.

A、robot     B、computer     C、letter

2.E-mail is       the post.

A、faster than

B、as fast as

C、not so fast as

3.It takes       to send e-mail to the other side of the world.

A、minutes      B、seconds    C、seven days

4.You can send e-mail at any time      .

A、in the daytime

B、on weekends

C、of the day or night

5.    send e-mail to your friends when they are sleeping.

A、You can’t      B、You can    C、You shouldn’t