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【简答题】

完形填空。
I heard a story about a famous scientist who had made several very important achievements. What made
him1from others?
He said it all came from2that happened when he was two years old. He tried to3a bottle of milk away
from the fridge, but the slippery (光滑的) bottle fell, spilling its milk all over the4floor.
When his mother came in,5shouting at him, she said,'Robert, what a great mess (一团糟) you have
made! I have never seen such a big puddle (水坑) of milk. Would you like to get down and play in the milk
for a few minutes6we clean it up?'
Indeed, he did. After a few minutes, his mother said,'Robert, when you make a mess like this, you have to
clean it up at last. So,7would you like to do that? We would use a towel or a mop. Which do you prefer?'
He chose the towel and together they cleaned up the milk.
His mother then said, 'We had a failed8in how to carry a big milk bottle with two small hands in the
kitchen. Let's go out and fill the bottle with water and see if you can9a way to carry it without dropping it.'
The little boy learned that if he held the bottle at the top near the lip (杯口) with both hands, he could carry it
without dropping it.
This scientist then said that it was at that moment that he knew he didn't need to be afraid to10 . So,
what have you learnt from the story?
( )1. A. serious
( )2. A. an experience
( )3. A. pass
( )4. A. kitchen
( )5. A. from
( )6. A. after
( )7. A. when
( )8. A. experiment
( )9. A. look
( )10. A. clean the floor
B. similar
B. advice
B. bring
B. bedroom
B. with
B. before
B. what
B. condition
B. discover
B. spill milk
C. different
C. a promise
C. drink
C. bathroom
C. because of
C. as soon as
C. how
C. survey
C. recognize
C. make mistakes
D. important
D. an idea
D. take
D. living room
D. instead of
D. since
D. why
D. research
D. develop
D. realize mistakes

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题目标签:光滑一团糟
参考答案:
参考解析:
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【单选题】亚音速气流在光滑扩张形管道内流动时,气流参数的变化规律是( )

A.
速度下降, 压力升高
B.
速度下降, 压力下降
C.
速度上升, 压力下降
D.
速度上升, 压力升高

【单选题】两个物体在光滑的水平面上相向运动,发生碰撞后均变为静止,由此可知在两物体碰撞之前( )

A.
两物体的质量一定相等
B.
两物体的运动速度一定相等
C.
两物体的动量大小一定相等
D.
无法确定

【单选题】运动员判断运动器材表面是否光滑是依据()

A.
皮肤触觉
B.
皮肤压觉
C.
肌肉本体感觉
D.
触压觉同本体感觉和视觉