28、Have you ever p  1  a few trees on Tree Planting Day? Each year, millions of people , both old and young, men and women, plant a lot of trees. But this may not be the best way to make your home a g   2   place.

    Last week, we visited a park in Hebei. We were s    3   to find most of the trees had been b  4   . The workers told us that the trees d   5    soon after they were planted, because they weren’t watered well enough. So workers burned them and cleaned the place for n  6   trees to be planted this year. On a card f   7    in one of the dead trees, a student w   8     ,“I hope this tree will grow up with me to b  9     the backbone（栋梁）of our country.”The workers said that the survival （存活）of the trees was really more important than how many trees were planted.

    Some people in Beijing now have a new idea that they can d    10    some money and let professionals（专业人士）plant and take care of the trees.

25、Students learn their lessons in class. They sit in the classroom and （1） I __________to the teacher．This is a“way of learning”Is this the （2）o_________ way for students to learn? Of course not. There is another way to learn．That is students can teach themselves. For （3）e _________, if you cannot remember something when you are doing your homework, what will you do? Yon can look at your books to（4）f_________the answers．

    How to teacher yourself? The first thing you must do is reading．Read something you are（5） i _________in, or you have to read． The second is that you must ask yourself questions．A clever student is usually （6）g _________at asking questions．The third is to answer the questions yourself by （7）w _______hard, by reading books, and sometimes by asking （8）o________ people．There are the ways of teaching yourself．If you keep doing （9）I_________ these for a long time, You are sure to have great （10）s _______in your study．

23、Everyone knows that exercise is important．We all need to exercise．Doctors say it is good for us．it makes your heart and body strong．Children who often exercise are more alert （灵活的）．This means they do better in tests and schoolwork than those who don't exercise．

    There are many ways to exercise．You can walk, run, swim, skate, or play ball games, Make sure you exercise in the following ways：you have to like what you're doing． Exercise enough but not too much．it's best to exercise twice each week ．Thirty minutes each time is enough．Try all kinds of thing until you find one, two or even three sports that feel right for you．

You can exercise at fitness centers．They have a lot of equipment（设备）there. The equipment will help exercise your arms, legs and other parts of body to make you fit．Some people buy equipment for their homes．But it is very expensive．

Exercising can be fun．Friends can exercise together at a fitness center, or they can Play sports together．How do you exercise?

根据短文内容，选择最佳答案。

1．In the text，the writer tells us that we all need to _________．

       A．drink                     B．sleep                      C．exercise                 D．work

2．Which of the following sports is not in the text?

       A．Fishing                  B．Running                C．swimming            D．Walking

3．The words“fitness centers”in Chinese is___________．

    A．商务中心           B．健身中心              C．购物中心              D．医疗中心

4．The best way to exercise is do it __________．

A．once a week           B．sometimes              C．twice a month               D．twice a week

5．How long should we do exercise is do it ___________．

A．An hour            B．Half an hour             C．20 minutes            D．40 minutes

22、Please look at the flight Timetable and choose the right answers．

（departure=leaving）

1．You'll go to Australia．You can only take__________________________

    when yon reach Beijing Airport at eleven forty．

      A．CA923              B．CA149       C．CA147              D．CA167

2．If you spend fourteen hours and ten minutes going to France, you must stay in ____on the way．

      A．Hong Kong          B．Shanghai         C．Moscow               D．Chengdu．

3．It will take you____________ to reach England if you stop in Hong Kong．

      A．nine hours and twenty                           B．ten hours and thirty-five

     C．twelve hours and fifty                             D．ten hours and forty-five

4．You may________________ in Beijing if you want to go to America．

      A．take one plane                                    B．take two planes

     C．take three plane                                   D．not take any planes

5．How many planes may you take in Beijing if you want to go to Australia?

      A．One              B．Two         C．Three                  D．Four．