摘要:Tome and William are all studying very hard.

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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

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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
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problems????????????? causes????????????? Advice

Feeling stressed????????????? Too much homework;

Don’t have enough tome for their hobbies.????????????? Make a plan for study and hobbies.

Find time to relax as possible as you can.

Getting short-sighted? (近视的)????????????? Too much homework;

Bad reading and writing habits.????????????? Do homework and reading in a correct way.

Fighting with each other????????????? Don’t know how to get on well with classmates.????????????? Make more friends and understand each other. Share your problems with them.

Feeling tired of study????????????? Computer games’ bad influence.????????????? Don’t be crazy about computer games. Play them just for a short time when you are tired.

Getting fat????????????? Having more pocket money to buy snacks;

Dislike doing exercise.????????????? Use your pocket money to do something meaningful. Spend some time doing exercise every day.

1.There are ______ main problems in the survey.

A. four???? B. five???? C. six???? D. seven

2.What problems are caused by too much homework?

A. Feeling stressed and fighting with each other.?????

B. Feeling tired of study and getting fat.

C. Feeling stressed and getting short-sighted.????????

D. Getting short-sighted and feeling tired of study.

3.If Simon is feeling stressed, he should __________.

A. do much more homework?????????????????????

B. make a plan to spend time on study and hobbies

C. donate(捐赠) his pocket money to Project Hope????

D. buy some snacks

4.Peter is tired of study, maybe because he __________.

A. has no close friends??????????? ?????????????

B. has no pocket money

C. plays too many computer games?? ?????????????

D. gets fatter and fatter

5. __________ is a good way for the teenagers to stop fighting.

A. Doing less homework?????????? ?????????????

B. Playing computer games

C. learning how to make friends???? ?????????????

D. Paying no attention to each other

 

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