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【判断题】
电子式电能表周期检定时,进行工频耐压试验
A.
正确
B.
错误
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举一反三
【单选题】如果 C+F+I=19 ,则 B+E+H 的取值可能是( )
A.
16
B.
17
C.
18
D.
19
【单选题】千斤顶内的丝杆是什么牙型?
A.
矩形
B.
圆形
C.
三角形
D.
梯形
【单选题】According to the passage, privacy is like health in that______.
A.
people will make every effort to keep it.
B.
its importance is rarely understood
C.
it is something that can easily be lost
D.
people don't cherish it until they lose it
【单选题】如果f(a+b)=f(a)f(b)且f(1)=2,则 + + = [     ]
A.
B.
C.
6
D.
8
【多选题】在控制台程序必须有一个static_void_Main(),下列关于这个方法的描述中,哪些是正确的?
A.
必须在结构或类的内部
B.
声明Main()方法时既可以使用参数,也可以不使用
C.
这方法不可以有返回类型
D.
这个方法叫做入口点函数
【单选题】I_____ violin lessons every two weeks, but I think I will make it every week from next month.
A.
am having
B.
have had
C.
have
D.
have been having
【单选题】已知f(x)=x 5 -ax 3 +bsinx+2且f(-5)=17,则f(5)的值为(  )
A.
-13
B.
13
C.
-19
D.
19
【单选题】下列哪一项不是硝酸甘油的不良反应
A.
面颈潮红
B.
水肿
C.
眼内压升高
D.
搏动性头痛
E.
反射性心率加快
【单选题】I_____ violin lessons every two weeks, but I think I'll make it every week from next month. [     ]
A.
am having
B.
have had
C.
have
D.
have been having
【判断题】如果已知F,i,n,求P,则P=F×(P/F,i,n)。()
A.
正确
B.
错误
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