如图所示为实验室中常见的气体制备和收集装置.
请回答下列问题:
对风的预报主要内容是风向和风级,下面对风向和风级的理解正确是( )
因为青少年的坚持性、恒心还处在很不成熟的阶段,做事仍能够以虎头蛇尾,见异思迁,所以青少年( )
A. sofa B. chair C. table D. phone E. fridge
This is my living room. My ____is near the window. The ____is near the door. The____is under the picture. The ____is on the table. Where is the cat? It's on the____
360+400=____
根据以上信息,回答下列问题: