完成句子。

1. His first speech as president____ (给……留下了很深的印象)his audience.

2. He has got a bad headache____ (因缺乏睡眠)．

3. I watched the plane go higher until I____ (看不见它)．

4. I don't know ____ (你怎么能忍受那样的噪音)．

5. I've___ (对……作出调整)the new school.

6. After the operation,she ____ (恢复健康了)．

7. He looked around____ (好像在找什么人)．

8. The picture_______ (看上去很悦人)．

9. I'm satisfied with____ (愉快的环境)I look in.

10. The kids will be away from home_______ (很快)．

沿两条或两条以上且在轴向等距分布的螺旋线型的螺纹为（）。