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问题 判断题

海关查验货物时，进(出)口货物的收(发)货人或其代理人必须到场。海关认为必要时，也可以在报关员不在查验现场的情况下径行开验、复验或者提取货样。( )

答案

参考答案：对

解答题

等腰三角形的顶点是A（4，2），底边的一个端点是B（3，5），求另一个端点C的轨迹方程，并说明它的轨迹是什么.

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填空题

根据首字母或汉语提示写单词。

1. A dog is an a_____, so is a cow.

2. I can't do the work myself, can you g_____ me a hand?

3. Dan is a l_____ boy, he never does the cleaning.

4. Elephant is a_____ extinct in China.

5. You can k_____ the book for two weeks, but you must give it back.

6. How many _____ (出口) are there in the cinema?

7. Tigers are _____ (危险) animals.

8. Keep the window _____ (开着). It's too hot.

9. Why is she standing _____ (静止的)?

10. I am very _____ (惊奇的) at the news.

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