摘要: 1c. 1). Ask students to practise the conversations above and make a new dialogue. 2) ask pairs to come to the front and act out one of their conversation.

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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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Peter’s job was to examine cars when they crossed the frontier to make sure that they were not smuggling anything into the country. Every evening he would see a factory worker coming __1__ the hill towards the frontier, __2__ a bike with a pile of goods of old straw on it. When the bike __3__ the frontier, Peter would stop the man and __4__ him take the straw off and untie it. Then he would examine the straw very __5__ to see __6__ he could find anything, after which he would look in all the man’s pockets __7__ he let him tie the straw again. The man would then put it on his bike and go off down the hill with it. Although Peter was always __8__ to find gold or other valuable things __9__ in the straw, he never found __10__. He was sure the man was __11__ something, but he was not __12__ to think out what it could be.
  Then one evening, after he had looked __13__ the straw and emptied the worker’s pockets __14__ usual, he __15__ to him, “Listen, I know you are smuggling things __16__ this frontier. Won’t you tell me what it is? I’m an old man, and today’s my last day on the __17__. Tomorrow I’m going to __18__. I promise I shall not tell __19__ if you tell me what you’ve been smuggling.” The worker did not say anything for __20__. Then he smiled, turned to Peter and said quietly, “Bikes.”

  1. A. towards     B. down       C. to           D. up
  2. A. filling       B. pulling       C. pushing      D. carrying
  3. A. arrived      B. appeared    C. came        D. reached
  4. A. ask        B. order       C. make        D. call
  5. A. carefully     B. quickly      C. silently       D. horribly
  6. A. that        B. where       C. how         D. whether
  7. A. before      B. after        C. first         D. so
  8. A. lucky       B. hoping      C. thinking      D. wondering
  9. A. had been    B. hidden      C. hiding        D. have been
  10. A. nothing    B. something    C. everything     D. anything
  11. A. taking     B. smuggling    C. stealing      D. pushing
  12. A. possible    B. strong      C. able         D. clever
  13. A. through    B. thoroughly   C. upon        D. up
  14. A. like       B. more       C. then         D. as
  15. A. told       B. cried        C. ordered      D. said
  16. A. cross      B. past        C. across       D. into
  17. A. thing      B. work       C. job         D. duty
  18. A. rest       B. back        C. retire        D. retreat
  19. A. everyone   B. anyone      C. no one       D. someone
  20. A. moment    B. long time    C. sometime     D. some time

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完型填空。
  Growing up in Australia, I wanted a pen friend. I was 13, had just started
middle school and needed someone to talk to. So I went   1    all of the pen friend
sites I could find on the Internet,   2   for any girl of my age from different
countries.
  I   3   a Swede, an Italian, an American, a Finn, an Arab and an Egyptian,
telling them about my family, my school and my   4  . Only one girl replied-the
Egyptian. Her name was Noran Hussein. When Iopened my e-mail box and saw
the reply, I was   5  .
  We started off by telling each other about our lives.   6   from the start I
could tell that we shared the same interests. Step by step we  7_   up to
discussing problems all over the world.
  People often ask if I’m afraid to ask Noran about certain things, like
wearing the veil. I’m not. To me,asking questions is the first step towards
understanding. If we stand back and only wonder, we start to   8   into problems.
  Noran and I are different, but we never say that  9   is wrong. I have learned
more than I could ever hope to learn from a textbook. I wish people to
experience what I have experienced-to learn that it is  10   to be different, not to
be afraid of one another, to understand. 
(     )1. A. through
(     )2. A. asking
(     )3. A. met
(     )4. A. study
(     )5. A. surprised
(     )6. A. Right
(     )7. A. held
(     )8. A. fall
(     )9. A. the other
(     )10. A. nice
B. across
B. waiting
B. knew
B. work
B. happy
B. Even
B. worked
B. step
B. another
B. OK
C. round
C. looking
C. called up
C. city
C. excited
C. Ever
C. went
C. jump
C. no one
C. necessary
D. on      
D. reaching
D. wrote to
D. country  
D. nervous  
D. Only    
D. learned  
D. run      
D. either  
D. important
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