- Doctor, how are the twins going?                            
- Don't worry. _______of them needs_______.

一辆汽车由静止开始做匀加速运动，经ts速度达到υ，立即刹车做匀减速运动，又经2ts停止，则汽车在加速阶段与在减速阶段（   ）

Hello! Welcome to my show(欢迎参观我的展览). They're my animals. Look! The lion has got a blue shirt. The tiger has got a red hat. The monkey has got a yellow skirt. The panda has got a green T-­shirt. Has the elephant got a brown sweater? No, he hasn't. He has got an orange sweater. That's very funny.

A.    B.    C.    D.    E.

在生活中，每个公民都要扮演多种角色并承担责任。下列角色与责任不相匹配的是（    ）

给下列字注音：

濑____佣____酬____舱____褴褛____        ____​