玻璃板面上的料疙瘩是怎样产生的?

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问题:

玻璃板面上的料疙瘩是怎样产生的?

考点:配料工考试玻璃配料工玻璃配料工题库
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已知点P是曲线y=x3-10x+3上位于第二象限内的一点,且该曲线在点P处的切线斜率为2,则这条切线方程为______.

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用所给词的适当形式填空。

1. The old lady could hardly believe that she had got the travel pass to Hong Kong so _____ (easy).

2. Mr. Chen was surprised to see the fast _____ (develop) in Shanghai after his long absence from the city.

3. Feng Ai's love and _____ (kind) will always be re- membered by her students and their parents in Yunnan.

4. Many people caught cold last month because of the _____ (change) weather.

5. Watch _____ ( care), and you will find the differ- ence between the two pictures.

6. Grandpa is sitting _____ (comfort)in the sofa, enjoying the view through the big window of our new flat.

7. The New Year _____ (decorate) are so beautiful that everyone is looking forward to the party in the hall

    this afternoon.

8. The most famous _____ (amusing) park in the world is Disneyland.

9. Anyone who finds _____ (home) animals, please send them to the SPCA kennels.

10. The new carpet is _____ (spot) clean. Shall we take off our shoes before entering the room?

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如图所示,竖直放置的长直导线通以恒定电流,导线右侧充满垂直纸面向里的匀强磁场,一矩形线圈与导线在同一平面上。下列情形下线框内能产生感应电流的是(    )

A.导线中电流变大

B.线框水平向右平动

C.线框竖直向下平动

D.线框以ab边为轴转动

题型:问答题 简答题

对委托人和监理人有约束力的合同,除双方签署的合同外,还包括( )文件。

A.监理委托函或中标函

B.建设工程委托监理合同标准条件

C.建设工程委托监理合同专用条件

D.双方来往的信件和书面文件

E.在实施过程中双方共同签署的补充和修正文件

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亚太经济合作组织(APEC)已逐渐演变为亚太地区重要的经济合作论坛。回答问题。

亚太经济合作组织的宗旨是()

①为本地区人民的共同利益而保持经济的增长与发展

②促进成员间经济的相互依存

③加强开放的多边贸易体制

④减少区域贸易和投资壁垒

A.①②④

B.①②③

C.①③④

D.①②③④

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