Which of these old sayings best suits the story’s lesson for us、

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• 1Ben did not rush in help Mrs. Tailor because_____

  A.he thought that she could be tricking them

  B.he knew that they could not have been in the tree

  C.he did not see the old lady fall down

  D.he was afraid of the three-legged cat

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• 2Mrs. Tailor stopped sweeping when____

  A.her front steps were clean

  B.she noticed the children in the tree

  C.she was ready to take a flight

  D.she heard the hen cackling

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• 3Why were the children hiding in the tree、

  A.They wanted to watch Mrs. Tailor do her housework closely.

  B.They were playing a hide-and-seek game

  C.They wanted to find out if the rumors about Mrs. Tailor were true

  D.They were pretending to be spies

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• 4Some of you may have finished unit one. _____, you can go on to unit two.

  A.If you may

  B.If you do

  C.If not

  D.If so

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• 5The government plans to bring in new laws _____ parents to take more responsibility for the education of their children.

  A.forced

  B.forcing

  C.to be forced

  D.having forced

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• 6Why is there the need to take care when you are doing the experiment、

  A.The bottle could break.

  B.You need to light the paper with a match.

  C.The egg needs to be shelle

  D.D.The egg has to be perfectly placed on the neck of the bottl

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• 7In the experiment, the burning inside the bottle can___.

  A.equalize the air pressure inside and outside

  B.make a seal in the neck of the bottle

  C.finish up the oxygen inside the bottle

  D.produce more oxygen inside the bottle

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• 8How did the egg put into the bottle？

  A.The oxygen inside the bottle sucked the egg in.

  B.It became saft without the shell.

  C.The neck of the bottle was wide enough.

  D.The outside air pressure forced it into the bottl

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• 9The experiment is carried cut to prove ______.

  A.water pushes on your body when you swim underwater.

  B.the earth is surrounded by a layer of air called the atmosphere.

  C.the pressure of air around us has a powerful force.

  D.the air pressure is not equalized around us.

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• 10Why does the writer of the letter that Electro-Robo is violent、

  A.It is controlled by radio water.

  B.It is expensive to buy.

  C.It is 80 centimeter tall.

  D.It bears arms.

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