综合机械化放顶煤开采技术是我国目前广泛采用的一种开采工艺。采

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问题单项选择题

综合机械化放顶煤开采技术是我国目前广泛采用的一种开采工艺。采用该种采煤方法时，工作面巷道一般沿着煤层（　）布置。

A．顶板

B．底板

C．中部

D．破碎带

答案

参考答案：B

填空题

Complete the sentences with the given words in their proper forms. (用括号中所给单词的适当形式完成下列句子。)

1. Our classroom is not as big as __________, but it's very clean. (they)

2. Many young people want to become cartoon __________ in the future. (artist)

3. The Smiths moved into their new house which is on the __________ floor. (twelve)

4. It is really __________ to raise the dogs because they can help humans to hunt. (wonder)

5. Body language is the __________ and most powerful language of all! (quiet)

6. Listen to the teachers __________ in class and many of your problems will go away. (careful)

7. Work today is very __________ from the way it was fifty or even twenty years ago. (difference)

8. The electric light is one of the greatest __________ in the world. (invent)

判断题

政府债券可以免除国家和地方的所得税，所以它又被称为“免税债券”。（）