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【简答题】
两个薄金属同心球壳 , 半径各为 和 ( < ) , 分别带有电荷 的 , 设无穷远处为电势零点。求两球壳的电势。
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【单选题】肋骨按其所在位置的不同一般可分为________。I.主肋骨;II.甲板间肋骨;III.尖舱肋骨;IV.强肋骨。
A.
Ⅰ,Ⅱ,Ⅲ,Ⅳ
B.
Ⅰ,Ⅲ,Ⅳ
C.
Ⅰ,Ⅱ,Ⅲ
D.
Ⅱ,Ⅲ,Ⅳ
【判断题】三相交流转辙机表示电路采用反向电压不小于500V,正向电流不小于1A的整流元件
A.
正确
B.
错误
【多选题】车站工作人员可引导乘客至以下哪些区域购票?
A.
TVM
B.
BOM
C.
临时售票亭
D.
CVM
【判断题】函数是代码复用的一种方式。
A.
正确
B.
错误
【判断题】函数是代码复用的一种方式。
A.
正确
B.
错误
【判断题】函数是代码复用的 函数是代码复用的一种方式。
A.
正确
B.
错误
【单选题】Emi says, "Dave, cut it out!" What does she mean?
A.
Cut my sandwich.
B.
Where is my order?
C.
Stop joking.
【单选题】What does the speaker say Wellington Corporation plans to do?
A.
Cut prices for a number of its products
B.
Expand its product offerings by 30 percent
C.
Increase the number of its employees worldwide
D.
Increase the number of countries in which it sells products
【单选题】What does the sentence ' the government has cut... training courses' in the last paragraph imply?
A.
Cambridge has already played an exemplary role in cutting.
B.
Training courses are less important than the investment to students.
C.
There are almost 4,000 fewer places available on teacher training after cutting.
D.
Students' number decrease caused the cutting places on training courses.
【单选题】What does the man want to cut of paper?
A.
A fish.
B.
A bird.
C.
A monkey.
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