意见主要用于对重要事项提出指导性见解，对一个阶段的工作提出原则性的要求，对带有全局性的问题提出处理办法和政策性措施。
参考答案：对
用所给词的正确形式填空。
1. I (think) good friends should help each other.
2. My father is (athletic) than my uncle.
3. There are so many (different) between the two dictionaries.
4. My little brother is a shy boy. He is _(quiet) than me.
5. Would you like (go) to the movies with me tonight?
生理盐溶液和复方生理盐溶液与细胞外液相比其主要特点是（）
A.低渗透浓度
B.高渗透浓度
C.高Na+
D.高K+
E.高Cl-
