掷一颗六面的骰子得到点数的数学期望是()。
A.1
B.3
C.3.5
D.4
参考答案:C
解析:
The famous scientist was ____a prize for his contribution to scientific technology. [ ]
A. rewarded
B. put
C. awarded
D. named
劳动人事争议仲裁庭审理劳动仲裁案件,应当()。
A、先行调解
B、先行裁决
C、当庭裁决
D、促成和解