摘要: While how to solve the problem, they had another problem.

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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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阅读理解

Football

  The game is played by two teams. There must be eleven players in each team.

  The field must be about 100m long and 73m wide. There are two goals, 7.32m long and 2.44m high.

  To score a goal, a player must put the ball into the other team’s goal. They may use their feet, heads or other parts of the body, but they must not touch the ball with their hands. Only one oil each team, the goal-keeper, may use his hands.

Volleyball

  This is played on a court 18m long and 9m wide. The net is 2.44m high for men and 2.24m for women. There are two teams and there are usually six players in each team.

  The players try to make the ball hit the ground on the other side of the net. They may use their hands, fists or arms, but they must not catch the hall or hold it while playing.

Basketball

  The court must be 26m long and 14m wide. There can be ten players in a team but not more than five players in each team may play at one time. The players must not change until the referee allows them to leave the court.

  To score a point a player must throw the ball into the other team’s basket.

  Players may throw the ball, but they must not carry it. A player must not touch another player.

  After 20 minutes play there must be a rest period for ten minutes. Then there is another period of 20 minutes before the game ends.

1.How big is a football field?

[  ]

A.7.32m long and 2.44m high.

B.100m long and 73m wide.

C.107.32m long and 75.44m wide.

D.26m long and 14m wide.

2.The volleyball players can only ________ while playing.

[  ]

A.catch the hall

B.hold the ball

C.use their hands, fists or arms

D.use their hands

3.Each basketball team can have ________ players at most.

[  ]

A.five
B.ten
C.twenty
D.eleven

4.What’s the Chinese for referee in the passage?

[  ]

A.队长  B.教练  C.裁判  D.观众

5.Which of the following statement is NOT TRUE?

[  ]

A.In a football match, only one person can use his hands.

B.The volleyball net is 2.44m high for men.

C.The basketball team will score when they throw the ball into the other team’s basket.

D.In a basketball match, twenty minutes is a period 查看习题详情和答案>>

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