关于重度CO中毒表现的描述，正确的是() A.血液COHb浓度高于50% B.深

根据下列句子括号中所给词的适当形式填空，使句子意思完整、正确。

1. I was filled with _________ (angry) when I saw him kicking the dog.

2. Children's _________ (curious) with everything plays an important part in their study.

3. Their_________ (behave)towards me shows that they do not like me.

4.One of the main _________ (attract) of the job is the high salary.

5.After the war many children became h_________.

6. The mother was c_________ with her daughter's progress.

7. With winter a________, the days are getting colder and colder.

8. The play was written and d_________ by two young writers.

若反馈到输入端的是交流量，称为交流反馈，它能改善（）的性能。

A、直流通路

B、交流通路

C、直流电路

D、交流电路

在色谱分析中其特征与被测物质浓度成正比的是（）。

A、保留时间

B、保留体积

C、相对保留值

D、峰面积

内蒙古自治区的区鸟是什么？

压裂施工中，压开地层的能量来自压裂泵车。（）