依据GB11567.1-2001《汽车和挂车侧面防护要求》,侧面防护装置上缘与其上部的车辆构件相距应不超过()mm。
A、250
B、300
C、350
D、400
参考答案:C
The door opened and in_______.
A.he came
B.came he
C.did he come
D.did Mr Smith come
"Who's Mr Yang?"
"_____ our Chinese teacher." [ ]
A. His
B. He's
C. Her
D. She's