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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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Mike Hayes proved he was smart in his first year at college．In 2007， 51 he
Was a student at the University of Illinois．he came up
with an idea to 52 his tuition fee(学费)and college
costs problem．Hayes thought everyone could afford to
give him a penny．
He wrote to Chicago Tribune writer Bob Greene．
Hayes wanted each of the newspaper’s 53 to
send him a penny．Greene thought the idea sounded
54 and agreed to do it．
“Just one penny．”Hayes said．“A penny doesn’t
55 anything to anyone．If everyone who is reading
your paper looks around the room right now，there will be a 56 under a seat，or on
the comer of the desk，or on the floor．That’s all I’m 57 ．A Denny from each of
your readers．”
In less than a month，the Many Pennies for Mike Fund(基金)had around 2．3 million
pennies．Not everyone sent 58 a penny，many even sent dollars．Money was
received from every state in the United States．So，Hayes reached his$28，000 target(目
标)and 59 to get money for his degree in food science from the University of Illinois．
Perhaps the last word is best left to his father．Bill Hayes：“When Mike first told
me about his 60 ，I just laughed and said that I thought it was foolish--Which shows
you that he’s smarter tIlan I am．”
51．A．before B．because C．while D．if
52．A．solve B．make C．spend D．cause
53．A．editors B．readers C．managers D．Writers
54．A．bad B．tree C．relaxing D．fun
55．A．buy B．mean C．show D．pass
56．A．newspaper B．book C．dollar D．penny
57．A．asking B．writing C．saying D．doing
58．A．only B．almost C．also D．over
59．A．kept on B．called on C．went on D．put on
60．A．dream B．idea C．problem D．study
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