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【简答题】
已知扇形的半径为5cm,圆心角为150°,求扇形的面积.(结果保留5位有效数字)
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A.
人与白菜是不同的
B.
人更会用技巧
C.
求职是个交易
D.
求职是双向选择
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A.
沛西·能
B.
孟禄
C.
凯洛夫
D.
勒图尔诺
【单选题】The Greek letter Omega (Ω) represents what unit of electricity?
A.
Coulomb
B.
Volt
C.
Ampere
D.
Ohm
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A.
沛西.能
B.
孟禄
C.
凯洛夫
D.
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【单选题】I've tried very hard to improve my English . But by no means _____ with my progress .
A.
the teachers is not satisfied
B.
is the teacher not satisfied
C.
the teacher is satisfied
D.
is the teacher satisfied
【判断题】道德属于上层建筑范畴,法律属于经济基础范畴。()
A.
正确
B.
错误
【单选题】I've tried very hard to improve my English. But by no means with my progress.
A.
the teacher is not satisfied
B.
is the teacher not satisfied
C.
the teacher is satisfied
D.
is the teacher satisfied
【单选题】饭店优质服务的职业道德属于( )的范畴。
A.
经济基础
B.
上层建筑
C.
文化艺术
D.
法律法规
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