In which step of the experiment do you add the salt、

试卷相关题目

• 1In Step 4 of the experiment, why do you pour the water over the spoon “slowly”、

  A.It is easier to see what you are doing.

  B.It pushes the fresh water to the bottom.

  C.It will keep the water from coming out.

  D.It will keep the liquids from mixing together.

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• 2In the experiment, what should you do right after you pour the water over the spoon、

  A.Add the salt to the water.

  B.Stir the salt into the water.

  C.Place the potato in the jar.

  D.Pour warm water into thejar.

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• 3I’m going to the supermarket this afternoon. Do you have anything __________、

  A.for buying

  B.bought

  C.buying

  D.to buy

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• 4______ is no need for primary students to work at their desks all the long.

  A.There

  B.What

  C.It

  D.That

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• 5— Who are those people gathering in front of the building、— A group __________ itself the youth volunteers.

  A.calling

  B.calls

  C.called

  D.to be called

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• 6What does the underlined word “gently” mean、

  A.Carefully

  B.Quickly

  C.Secretly

  D.Silently

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• 7The purpose of celebrating World Laughter Day is ____.

  A.to build up a global sense of brotherhood and friendship through laughter

  B.to build a common connection between various religions

  C.to reduce stress and lighten depression

  D.to lower blood pressure

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• 8The first World Laughter Day gathering outside India took place ____.

  A.on 11th. January, 1998

  B.on the first Sunday of May

  C.on 9th. January, 1996

  D.on 9th. January, 2000

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• 9The author’s attitude towards laughter movement is ____.

  A.positive

  B.negative

  C.uninterested

  D.objective

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• 10The passage is mainly about _______.

  A.World Laughter Day and its significance

  B.the worldwide laughter movement

  C.a universal language

  D.laughter

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