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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 o
r 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】 Yo
ur teacher wil probably tel you the rules above _____ the first lab lesson.
| A.before | B.since | C.during | D.after |
| A.taste the chemicals first |
| B.clean al the apparatus |
| C.read al instructions carefuly |
| D.report al the accident |
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 i
| A. | |
| B.enter the lab anytime | |
| C.smel chemicals as you like | D.learn science directly in the lab |
| A.Before the Experiment |
| B.First Aid |
| C.During t |
| D.After the Experiment |
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
查看习题详情和答案>>
Frank Smithson woke up and got up to turn off the alarm clock(闹钟). “Oh no!” he thought to himself. “Another day at that office; a boss (老板) who shouts at me all the time.”
As Frank went downstairs, his eyes fell on a large brown envelope (信封) by the door. He was very happy when he opened it and read the letter inside. “Bigwoods Football Pools (足球赌博公司) would like to congratulate you. You have won half a million pounds(英镑).”
Frank suddenly came to life. The cigarette fell from his lips (唇) as he let out a shout that could be heard halfway down the street.
At 11:30 Frank arrived at work. “Please explain why you're so late,” his boss said. “Go and jump in the lake,” said Frank. “I've just come into a little money so this is good-bye. Find yourself someone else to shout at.”
That evening Frank was smoking a very expensive Havana cigar (雪茄) when a knock was heard on the door. He rushed to the door. Outside were two men, neatly dressed in grey suits. “Mr. Smithson,” one of them said, “we're from Bigwoods Pools. I'm afraid there's been a terrible mistake…”
1. What do we know about Frank from the passage?
A. He was a lazy man.
B. He was a lucky person.
C. He had made a lot of money.
D. He didn't get on well with his boss.
2.When he heard the knock at the door, Frank probably thought _________.
A. someone had come to say sorry to him
B. someone had come to give him the money
C. his friends had come to ask about the football pools
D. his friends had come to congratulate him on his luck
3. On hearing “…there's been a terrible mistake…”, Frank was most likely to be_____.
A. disappointed (失望的) B. worried C. grateful D. Curious
查看习题详情和答案>>
Frank Smithson woke up and got up to turn off the alarm clock(闹钟). “Oh no!” he thought to himself. “Another day at that office; a boss (老板) who shouts at me all the time.”
As Frank went downstairs, his eyes fell on a large brown envelope (信封) by the door. He was very happy when he opened it and read the letter inside. “Bigwoods Football Pools (足球赌博公司) would like to congratulate you. You have won half a million pounds(英镑).”
Frank suddenly came to life. The cigarette fell from
his lips (唇) as he let ou
t
a shout that could be heard halfway down the street.
At 11:30 Frank arrived at work. “Please explain why
you're so lat
e,”
his boss said. “Go and jump in the lake,” said Frank. “I've just come into a
little money so this is good-bye. Find yourself someone else t
o
shout at.”
That evening Frank was smoking a very expensive Havana
cigar (雪茄) when a knock was heard on the door. He
rushed
to the door. Outside were two men, neatly dressed in grey suits. “Mr.
Smithson,” one of them said, “we're from Bigwoods Pools. I'm afraid there's
been a terrible mistake…”
1.What do we know about Frank from the passage?
A. He was a lazy man. B. He was a lucky person.
C. He had made a lot of
money. D. He got on we
ll
with his boss.
2.When he heard the knock at the door, Frank probably thought _________.
A. someone had come to say sorry to him
B. someone had come to give him the money
C. his friends had come to ask about the football pools
D. his friends had come to congratulate him on his luck
3.On hearing “…there's been a terrible mistake…”, Frank was most likely to be_____.
A. disappointed (失望的) B. worried C. grateful D. curious
查看习题详情和答案>>
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.before | B.since | C.during | D.after |
| A.taste the chemicals first |
| B.clean al the apparatus |
| C.read al instructions carefuly |
| D.report al the accidents to the teacher |
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 |
| A.Before the Experiment |
| B.First Aid |
| C.During the Experiment |
| D.After the Experiment |