摘要: taste like 尝起来像

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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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A good memory is a great help in learning a language. Everybody  36 his own language by remembering what he  37 when he is a small child. Some boys and girls who live in foreign countries  38 their parents seem to learn two languages almost as  39 as one. At school it is not easy to learn  40 second language because the pupils have  41 time for it, and they are busy with other subjects, too.

A man’s mind is rather  42 a camera. It takes photos not only of what we see, but of what we feel, hear, smell and taste.  43 we take a real photo with a camera, we have much to do before the photo is finished and ready to  44 it to our friends. In the same  45 , there is much work to be done before we can take a picture forever in our mind.

(  )36.A.study          B.learns          C.watches         D.learn from

(  )37.A.hears          B.listens          C.hear of          D.listen to

(  )38.A.in            B.on             C.together         D.with

(  )39.A.easy          B.easier          C.easily           D.much easily

(  )40.A.an            B.a              C.the             D.one

(  )41. A.such little      B.so little         C.so few          D.such few

(  )42.A.same          B.as             C.like            D.unlike

(  )43.A.Where         B.Who           C.Why           D.When

(  )44.A.show          B.on show        C.gave           D.lend

(  )45.A.idea           B.way           C.time            D.street

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