福莱特提出的组织的四项基本原则是什么?
参考答案:
①、协调是涉及一种情况下所有因素的“交互联系”
②、通过直接接触实现协调
③、协调应在早期阶段进行
④、协调是一个连续的过程
用所给词的适当形式填空
1. For many people,__________ ( become) a pop singer is a dream.
2. I didn't find my bike__________( somewhere ) yesterday.
3. I think they will have a good time__________ ( skate ) in the mountains this winter.
4. The poor man made a living by__________( grow) vegetables.
5. I don't know how__________ (get) on with my new neighbour.
能阻断组胺H2受体且不良反应较少的药物是()。
A.西咪替丁
B.氯苯拉敏
C.雷尼替丁
D.奥美拉挫
E.哌仑西平