综合填空：用方框中所给单词的适当形式填空，使短文正确、通顺。(每词限用一次)

If you want to have a strong healthy back，you should have good posture(姿势)．You should put the least stress(压力)on your 　　1　　．If you have good posture，you won't get tired 　　2　　; you won't get pain in your back; you will look good!

When you are sitting down，

★　　3　　 to keep your back straight．

★Don't cross your legs．

★Put your back 　　4　　 the back of the chair．

If you are working on a computer，

★Sit back and 　　5　　 your arms out to the keyboard．

★Bring your 　　6　　 up close to the keyboard so that you can rest your arms on the chair 　　7　　 desk．Keep your shoulders 　　8　　．

★You need to rest and move around 　　9　　 30 minutes to let your body relax．

★Try bending(弯)back a few 　　10　　 to help your body relax．

　　Every person has two sets of teeth．The first set of twenty begins to grow when you are over six months old．The second set of thirty-two grows from the age of six until you are about twenty-one years old．

　　To help your teeth grow strong, you must drink plenty of milk and eat greens．

　　You should brush your teeth after each meal．Then few bits of food will be left on or between them to cause decay(腐烂)．Make sure that you turn the brush and down as well as brushing side ways．Use dental floss to makee sure all food is cleaned up from in between each tooth．If you cannot brush your teeth after eating, look after them with water, or eat an apple or a carrot．

　　Try to visit a dentist every six months．If there is a hole in a tooth, he or she will fill it．If you do not have it filled, then the hole will grow larger．When a hole grows too big, the tooth may have to be taken out．It is better to keep all your second set of teeth for as long as possible．Filling a gap where a tooth has come out with a kind of bridge and using a false tooth costs a lot of money．

阅读下面短文，然后按要求完成下列各题。

　　Everyone has two sets of teeth．The first set(of twenty)begins to grow when you are over six months old．The second set(of thirty-two)grow from the age of six until you are about twenty-one years old．

　　To help your teeth grow strong, you must drink(A)plenty of milk and eat green vegetables．Then your body will have the right chemicals that build teeth．

　　(B)你应该每顿饭后都刷牙。Bits of food will be left on or between them to cause decay．You should turn the brush and go up and down as well as brushing sideways．If you cannot brush and go up and down as well as brushing sideways, if you can't brush your teeth after eating, rinse them(C)________ water, or eat an apple or a carrot．

　　Try to visit a dentist(D)每六个月．If there is a hole in the tooth, the dentist will fill it．(E)If you do not have it filled, then the hole will grow larger．Where a hole grows too big, the tooth may have to be taken out．It is better to keep all your second set of teeth for as long as possible．

1．写出画线部分(A)的同义短语：________________

2．将画线部分(B)译成英语：____________________

3．在画线部分(C)处填入一个适当的单词：________

4．将画线部分(D)译成英语：____________________

5．将画线部分(E)改写为：The hole will grow larger ________ you have it filled．

阅读下面短文，从短文后方框中所给的五个句子中选出四个，分别填入文中相应的序号后，使短文语义连贯，结构完整．

　　I went abroad for the first time when I was 18．I travelled to English to study English, but I didn't learn to speak well．The main problem was that I made friends with other French people, so I spent too much time speaking French．It's important to make English friends and to spend a lot of time with your English host family．1．________, it's even better．The children in my lost family were great teachers．

　　Another problem was that I was worried about making mistakes when I spoke, so I didn't say much．2．________．English people are usually polite and helpful．You can't learn to say things if you don't talk．You should have your dictionary at home and say what you can．

　　To help your listening, try to understand the conversations of English people in shops and on buses．I heard some very interesting things! Listening isn't easy at the beginning, but don't give up!

　　3．________．All the students in my class did this, and it helped a lot．Of course, the cinema is a fun way to practice your English．And listening to songs is helpful, too-there are lots of good English bands．

　　4．________．Give yourself lots of time for fun, but try to have fun in English way．

A．But you shouldn't worry

B．If they have young children

C．Finally, don't study too hard

D．Then pick an English name for yourself

E．Read newspapers and watch news on TV every day