Step 4 Practice 第四步 练习 (教师用课文中的噪声污染来启发学生找出周围的噪声污染.) T: We have learnt noise is a kind of pollution. What causes noise pollution around us? (让学生分组讨论.教师给学生一些引导.让学生说出我们身边的噪声污染.) S1: The students in the next room are singing. S2: Some students are talking loudly in the classroom. S3: Someone is typing the keyboard strongly. S4: Some people answer the telephone call aloud. S5: - (教师在列出噪声污染的各种来源后.教导学生如何避免出现这些现象.从而培养学生的环境保护意识.) T: Everyone knows noise pollution is harmful to our ears. But how can we solve these problems? S6: Speak to each other in a low voice. S7: Try to find a proper place to answer the telephone. S8: Type the keyboard softly. S9: Find a proper place and proper time to enjoy music. S10: - Step 5 Project 第五步 综合探究活动 方案一: 查看更多

 

题目列表(包括答案和解析)

根据短文内容,用方框中所给单词的适当形式填空,每词限用一次。

Some colors make us feel calm and peaceful. Blue is one of these colors. Wearing blue clothes or sleeping in a blue  1.  is good for the mind and body. Blue can  2.  mean sadness. Someone who is feeling sad may say “I’m feeling blue.” Some colors make us feel happy. Orange is such a happy color. It can bring you happiness and cheer you up when you are sad. If you feel  3.  or weak, please wear colors that make you feel energetic. Green can give you energy, because it  4.  new life. And you can also wear red. That makes it easier  5.  you to take action.

 

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A: What do people usually do on Chinese New Year, Lingling?

B: Well, most people buy (1)      and give them to others.

A: That’s great. I love getting presents. Can I (2)     the present I receive right at the time?

B: I’m afraid you must wait! In China, you are not (3)      to open the present at once. You must wait and open it (4)     . And you must receive it with both hands.

A: Really? That’s interesting. (5)      in Britain, we can use one hand to receive the present. Thanks for telling me so much.

B: My pleasure.

 

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完形填空
One night a man came to my house. He said to me, “There is a family with eight  1 . They have not eaten for days.” After I asked him where the family was, I took some  2  with me and left.
When I finally got to that family, I  3  those little children were too hungry to say  4 . I gave the food to the mother. She took half of it, and then  5 . When she returned, I asked her, “ 6  did you go?” She gave me this simple  7 , “To my neighbours — they are also  8 !”
I was not surprised that she gave the food to others, because poor people are always very  9 . But I was surprised that she gave her  10  half the food when her children were still hungry. Usually, when we are in trouble, we always think of ourselves first, and we have no time for others.

【小题1】
A.childrenB.workersC.farmersD.cooks
【小题2】
A.flowersB.wineC.foodD.water
【小题3】
A.showedB.watchedC.lookedD.found
【小题4】
A.a sentenceB.a wordC.itD.nothing
【小题5】
A.went outB.came backC.rushed inD.hurried back
【小题6】
A.WhenB.WhereC.How D.Why
【小题7】
A.questionB.decisionC.answerD.lie
【小题8】
A.illB.unhappyC.tiredD.hungry
【小题9】
A.kindB.sadC.happyD.bad
【小题10】
A.peopleB.neighboursC.familyD.children

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完形填空(本题共10小题,每小题2分,共20分)
Once a man wanted to go   1   one side of a river to  2   in a boat. He  3   take  4   him a sheep, a wolf and a basket of vegetables. But he could take only one of them  5  , because the boat was very  6  . “If I  7   the wolf and the sheep together, the wolf may eat the sheep,” he said to  8  .“If I leave the sheep and the vegetables together, the sheep may eat the vegetables.” He thought and thought. At last, he had an idea. And he  9   able to get to the other side of the river with the sheep, the wolf, and the vegetables. Do you know   10  ?

【小题1】
A.on  B.in   C.from   D.with
【小题2】
A.another   B.the other C.others   D.other
【小题3】
A.had to   B.has to   C.have to   D.must
【小题4】
A.after  B.with  C.about     D.up
【小题5】
A.once a timeB.at time   C.in timeD.at a time
【小题6】
A.large  B.big C.small   D.beautiful
【小题7】
A.will leaveB.left  C.leave  D.have left
【小题8】
A.oneself  B.myself  C.itself  D.himself
【小题9】
A.was  B.is   C.be   D.can
【小题10】
A.how did he it B.what did he it
C.how did he do it D.how he did it

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 Laboratory work is your chance to learn science firsthand. It can be fun but you must be careful to prevent injury. Listen closely when your teacher reads and explains the rules before your first lab lesson.

    LABORATORYRULES

    Throughout the lesson

    ·Do not enter the science lab without the teacher’s permission.·No food or drinks are to be alowed in the science lab.

    Before the Experiment

    ·Read al instructions carefuly before every experiment.

    ·Prepare al apparatus(仪器)and arrange them so that you wil not knock them over while doing the experiment.

    During the Experiment

    ·If you are unsure of how to use any apparatus or how to operate, ask your teacher for help.·Never smel or taste chemicals unless your teacher gives permission.

    After the Experiment

    ·Wash al apparatus after use and return them to the places where they were.

    ·Throw waste materials in proper waste baskets.    First Aid    

    ·Report al accidents to your teacher immediately.

    ·If you spil( 溅 出 )any chemicals onto your body or clothing, wash with plenty of water and report to your teacher.

   1. Your teacher wil probably tel you the rules above _____ the first lab lesson.

    A. before     B. since    C. during    D. after

2. Before every experiment, you should _____.

    A. taste the chemicals first

    B. clean al the apparatus

    C. read al instructions carefuly

    D. report al the accidents to the teacher

  3. When you are not sure how to use al apparatus, _____.

    A. try them on your own

    B. read the rules carefuly

    C. ask your teacher for help

    d. put them back

 4. It is clear that you can _____.

    A.  bring food into the lab

    B. enter the lab anytime

    C. smel chemicals as you like

    D. learn science directly in the lab

    5. If you get chemicals on the clothing, you can find ways to solve it in the part _____.

    A. Before the Experiment

    B. First Aid

    C. During the Experiment

    D. After the Experiment

 

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同步练习册答案