练习册

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    (1) or 或者, 如:People give their money to me or get their money from me. (2) or 还是, 如:Which one do you like, this one or that one? 【查看更多】

     

    题目列表(包括答案和解析)

     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.
    【小题1】　Your　teacher　wil　probably　tel　you　the　rules　above　_____　the　first　lab　lesson.
    A．beforeB．sinceC．duringD．after
    【小题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
    【小题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
    【小题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
    【小题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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    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 　【小题1】　 is good for the mind and body. Blue can 　【小题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 　【小题3】　 or weak, please wear colors that make you feel energetic. Green can give you energy, because it 　【小题4】　 new life. And you can also wear red. That makes it easier 　【小题5】　 you to take action.

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    补全短文。（共10小题；每小题1分，计10分）
    用方框内所给单词的适当形式填空，使短文完整、通顺。

    thousand,  many,  change,  help,  make,
    in,  close,  they,  also,  little
    Saving electricity and water is important in our life. There are 【小题1】　　　　 little things for us to do at home to help save the Earth. They’re small, but  【小题2】　　　　 of people do the same thing and  【小题3】　　　　 a great difference. By making some small 【小题4】　 　 to the way you do things at home, you are helping our planet day by day.
    You can spend 【小题5】　　　　 and improve your health better at the same time, so
    【小题6】　　　　 to save the environment is a good exercise!
    You can use windows to make the house good to live in. You can keep windows and doors 【小题7】　　　　 to keep the house warm in winter and open in summer. The wind will often keep you as cool as 【小题8】　　　　 the open air.
    And you must do something to save water. The water that you use in the kitchen can
    【小题9】　　　　 be used to wash the rice or water the flowers, and it’s very good for 【小题10】　　　　. Please always remember to turn off the lights when you leave.

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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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    此题要求改正所给短文中的错误。对标题号的每一行作出判断：如无错误，则在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误）。则按下列情况改正：　　
    该行多一个词：把多余的词用斜线（＼）划掉，并在该行右边横线上写出该词，且也用斜线划掉。　　
    该行缺一个词：在缺词处加一个漏字符号（∧），并在该行右边横线上写出该加的词。　　
    该行错一个词：在错的词下面划一个横线（___），并在该行右边横线上写出改正后的词。　　
    注意：该行若无错, 不要改。　　
    It was sunny this afternoon. Mum and I go to               【小题1】________________　　
    the park where is near my home for a walk.               【小题2】________________　　
    When we were walking, I saw the little girl. She             【小题3】________________　　
    was eating a banana. After she finished eating them,     【小题4】________________　　
    she threw the banana skin on the ground into the         【小题5】________________　　
    park. I walked over to pick it and told her it                           【小题6】               　　
    was wrong to do so. If all of us do like that,                   　　
    the park has become dirty. Then we can’t                         【小题7】________________　　
    enjoy by ourselves in it. All of us must                          【小题8】________________　　
    improve our environment and then we can                        【小题9】________________　　
    make our environment clean but beautiful.                         【小题10】________________　

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