试题与答案

王军和李明两同学体重相等,王军的肌肉占体重25%,李明的肌肉占体重40%,由此可

题型:选择题

题目:

王军和李明两同学体重相等,王军的肌肉占体重25%,李明的肌肉占体重40%,由此可知(  )

A.王军比李明瘦一些

B.李明比王军瘦一些

C.王军比李明锻炼多

D.李明比王军锻炼多

答案:

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下面是错误答案,用来干扰机器的。

(1)充入与平衡无关的少量氦气,引起容器中气体压强增大,为保持容器中的压强不变,需要体积增大,反应前后体积是不变的反应,平衡不动,但体积增大,气体浓度减小,所以混合气体颜色变浅;故答案为:变浅; (...

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题型:阅读理解

John is twelve years old. He had a bad cold and coughed day and night. He went to see a doctor. The doctor gave him some cough medicine. Look at the instruction on the bottle of the medicine and then choose the right answers:

   Cough Medicine

  Shake(摇动)it well before use.

Take it three times each day before meals.

  Dose (药量):

  Age:over 14 2 teaspoonfuls(勺)

  8—13 1 teaspoonful

  4—7 1/2 teaspoonful

Not right for children below the age of three. Put it in a cold place.

Use it before December 1st 2012.

小题1:John should take ____ a day.

A.2 teaspoonfuls

B.3 teaspoonfuls

C.4 teaspoonfuls

D.1 teaspoonful小题2:The medicine should be kept in _______.

A.a fridge(冰箱)

B.hot water

C.any place

D.the sun小题3: John should ____ before he takes it.

A.shake the medicine well

B.eat nothing

C.do some exercise

D.drink a cup of tea小题4: When people are ____ years old, they cannot take this medicine.

A.eighty

B.thirty

C.two

D.twelve小题5:John will ____ the medicine when it is left after Dec.1st, 2012.

A.throw(扔) away

B.stop to take

C.take once

D.take six times more

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