皮皮学，免费搜题
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搜题
【单选题】
发电机由什么发出交流电?( )A.
电枢
B.
整流器
C.
定子
D.
转子
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【判断题】利用指针可以实现对51单片机存储器绝对地址的访问,编程方便起见,C51编译器提供了一组宏定义以实现对80C51单片机绝对地址的访问(宏定义原型放在adsacc.h中)。判断下列描述是否正确: * (DBYTE+0x40)=0x3F //将数据0x3F传送到片内RAM的40H单元
A.
正确
B.
错误
【单选题】--- What courses do you have? ---________
A.
I write my work and activities in my calendar.
B.
We have a lot of courses, such as Design Basis, Clothing Materials, Photoshop, and so on.
C.
My major is Clothing Design.
【单选题】— Hey! Lucas! Have you heard about the selective courses this year? — _______. What about that? [ ]
A.
Not really
B.
Not exactly
C.
Not simply
D.
Not nearly
【简答题】内燃机车提手柄、电力机车进级时，应使柴油机转速及牵引电流（）上升。
【单选题】— What courses are you taking? —
A.
Play computer
B.
Nice to meet you,too.
C.
Cooking
D.
Very well.
【单选题】—What courses do you offer? —_________
A.
I like courses on computer programming.
B.
The courses begin at four o’clock.
C.
We have courses on foreign languages.
D.
There are some lectures this afternoon,
【判断题】内燃机车提手柄、电力机车进级时,应使柴油机转速及牵引电流稳定上升。当列车不能起动或起动过程中空转不能消除时,应迅速调整主手柄位置,重新起动列车。_______
A.
正确
B.
错误
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