70.My teacher’s made me study science at the university. 查看更多

 

题目列表(包括答案和解析)

Jack is a good friend _______, and he often comes to our home for a visit.

A. of my father   B. of my father’s  C. for my father   D. in my father’s

 

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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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Monday morning is an important time at our school. All of the students go to the playground. We listen to music, and we   16   the national flag go up.

   Usually, one student gives a talk on Monday mornings. One Monday last year, a boy gave the talk. He was   17   and excited! When I saw him, I wanted to have a try, too.

   Can I really do it?

   Last week, our teacher said our class should give the talk. My teacher   18   me, “I know you want to have a try. Next Monday, you can give the talk. Go and write something down.   19  for it, I’m sure you’ll do well.”

    “Thank you,” I answered. It was such a great   20   for me! When I got home, I was excited. I wrote two pages for the talk. I read them again and again. When I read, I asked my parents  21 . I wanted to make my teacher happy.

   Monday morning came. I began to feel   22  . When did I last give a talk to   23   many people? Never! This was my first time. Could I really   24   it ? Maybe I couldn’t finish the talk.

    When I got to school, we all went out to playground. I  25  in front of everyone. I opened my mouth, but I couldn’t say anything.

    “Take it easy,” I said to   26  . “Don’t be nervous. You can do it.”

    Just then, I looked down at everyone. I saw about 1,000 eyes. They were all looking at me ! I couldn’t   27   stand up.

    I looked at their eyes more carefully. Their eyes were saying, “You can do it! Don’t be afraid, just talk!”

    I   28   a big breath. Then I began to talk. It wasn’t hard. It was easy.

    I don’t know   29   I finished my talk. But I did it. I felt so good that day. I showed myself  30  everyone what I can do.

1.A. watch          B. see          C. notice       D. look at

2.A. surprising     B. proud        C. amazed       D. careful

3.A. told           B. asked for    C. said to      D. showed

4.A. Look out       B. Come on      C. Take care    D. Get ready

5.A. chance         B. news         C. time         D. message

6.A. to listen to   B. to listen    C. listen to    D. listen

7.A. excited            B. happy        C. nervous      D. surprised

8.A. after          B. such         C. before       D. so

9.A. do         B. speak            C. talk         D. take

10.A. stand             B. stood        C. was standing D. have stood

11.A. me            B. my class     C. myself           D. my parents

12.A. be able to        B. hardly       C. ever         D. even

13.A. took          B. held         C. put          D. left

14.A. when          B. how          C. why          D. whether

15.A. so                B. but          C. to           D. for

 

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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.
【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

查看答案和解析>>

 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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