Bob is often late for school because he always gets up late. This makes his teacher mad. He needs to buy something to wake him up in the morning.

Tim likes listening to music when he is free. And he has to send e-mails to his customers every day. He wants to buy something that can help him.

Summer has come. Tony is fat and he can't sleep well on such hot days. This troubles him a lot. He'd like to buy something to make him feel cool.

Alice often washes her hair late at night. It is often wet when she goes to bed. She is going to buy something that can dry her hair in a short time.

Susan is a housewife. She has to do the washing for her family every day. She gets tired of it. She is in need of a product to do it for her. 

A. This electric product can make you cool during the hot days. It can help you change the temperature and control the humidity（湿度）of your room.

B. You can do many things with this product, such as sending e-mails, playing games, getting on line and so on. You can also listen to music with it when you want to relax.

C. This electric product is useful to all of us. People often have one at home. It is often put up on the wall. If you want to know the time, just take a look at it.

D. This can help you wash your dirty clothes and dry them. What you need to do is to turn it on and later hang the clothes on the line. With this electric product, life will be a lot easier for you.

E. Each family needs this product. You can use it to store meat, vegetables, fruits, drinks and medicine. It can keep them cool and fresh so that they will not go bad easily on hot days.

F. It is a very helpful product which tells you the time. It can wake you up with a piece of music any time you want, but you have to set the time first.

G. When you wash your hair, you need this product. It can make your wet hair dry in a minute. It can also be used for drying your wet clothes or some other wet things.