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【简答题】
如图所示外伸梁,求B点的约束反力R B =______________kN。 QQ图片20171102092009.jpg
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举一反三
【单选题】环境污染按污染产生的来源分为几类?
A.
工业污染、农业污染、交通运输污染、水污染
B.
工业污染、农业污染、大气污染、水污染
C.
工业污染、农业污染、大气污染、生活污染
D.
工业污染、农业污染、交通运输污染、生活污染
【简答题】设计调查 不可能针对固定不变的一组数据或观点,而是要 (),具体包含()、()、()、()、()
【简答题】Private Cars 1. More and more people are buying private cars now. 2. There are many advantages of owning a private car. 3. On the other hand, there are some disadvantages.
【简答题】英汉互译。 1. play the piano ___________ 4. many people ___________ 2. 打开 ___________ 5. 看电影 ___________ 3. 6次 ___________ 6. at the restaurant ___________
【简答题】Why did many people move to the cities? Many people moved to the cities to______.
【单选题】Which of the following statements about money is INCORRECT?
A.
Many people have trouble in keeping and spending money wisely.
B.
Money doesn't necessarily bring happiness to people.
C.
The more money you earn, the happier you will be.
D.
Money brings comparatively more happiness to the low income class.
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