单词拼写与运用。

根据句意完成已给出首字母或汉语提示的单词，使补全后的句子意思通顺，语法正确。

1. September is the n________ month of the year.

2. I work in a l________. There are many books for people to read.

3. Please be q _____, the child is doing his homework.

4. We can't listen to music in the hallway, but we can listen to it o _____.

5. He is a policeman and all the_____ (小偷) don't like him.

6. Thanks for ________ (帮助)me.

7. Rose Smith can't stand the_____ (主张,想法) that old people can't be beautiful.

8. When people go to visit Xinjiang, they will taste (品尝) the _____ (特色) there.

工艺技术方案和工艺流程方案优化选择的（）的基本要求是充分发挥投资效益，降低生产成本，以较少资金，获取更大效益。

A．先进适用性

B．安全可靠性

C．经济合理性

D．技术来源可得性