多冲旋转式压片机调节压力是调节A．下冲头下降深度 B．上冲头下降深度 C．下压力盘高

一元二次方程x²+7x+9=1的根与二次函数y=x²+7x+9的图像有什么关系? 试把方程的根在图像上表示出来。

用所给词的正确形式填空。

1. I have two               (dictionary). One is English-Chinese dictionary, and the other is Chinese-English

    dictionary.

2. A: What's the result of the race, Mary? 

    B: Jane is the               (one) in the race, Barbara is the               (two) and I am the               (three).

3. The Yellow River is the second                (long) river in China.

4. The boy is old enough to                (dress) himself.

5. The weather in Beijing is quite                (difference) from that in Guangzhou.

6. I'm very                (interest) in that                (interest) story.

7. It's more                (convenience) to take a taxi to the station than take a bus, but too expensive.

8. Be careful! Put the secret letter in a                (safety) place.

9. Lucy is                (jealousy) of her friend's beauty.

10. Liu Xiang and Yang Liwei are                (hero) in different fields.

按五轮学说，上下眼睑属于______。

A．血轮
B．气轮
C．水轮
D．肉轮

朱熹一生著述甚多，最为重要的是《四书章句集注》。这里的“四书”指的是（）

A.《诗》《书》《礼》《春秋》

B.《大学》《中庸》《论语》《孟子》

C.《大学》《春秋》《论语》《孟子》

D.《孟子》《中庸》《书》《春秋》

多层住宅顶层为两层一套的跃层，计入建筑层数时可按一层计。（）