“机动车辆”是指( )。
A．自行车和摩托车 B．汽车和摩托车C．自行车和三轮车 D．汽车和自行车
参考答案：B
The basketball coach, as well as his team , ______interviewed shortly after the match for their outstanding performance.[ ]
A. were
B. was
C. is
D. are
下列化学用语表达正确的是 [ ]
A．Cl-的结构示意图：
B．氯化氢分子的电子式：
C．CH4Si的结构式：
D．质量数为137的钡原子：
