皮皮学,免费搜题
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【多选题】
光纤的分类方式很多,如按光在光纤中的传输模式可分为哪两种?
A.
单模光纤
B.
多模光纤
C.
突变性光纤
D.
渐变性光纤
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参考解析:
知识点:
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举一反三
【多选题】二进制的优势包括:()
A.
可行性
B.
简易型
C.
可靠性
D.
逻辑性
【单选题】颅内压的调节主要依靠
A.
脑组织
B.
脑脊液
C.
脑血液
D.
颅腔容积
【多选题】补全对话(5分) Tom: What are you going to do after leaving school? Bill: I’m thinking of becoming a plane driver. 1 Tom: So you like traveling, don’t you? Bill: Of course I do. I like to visit different pla...
A.
Business people are very busy, you know.
B.
I like planes very much.
C.
That way I will be able to travel.
D.
But I’m always thinking “busy” is better than “free”.
E.
That sounds good.
F.
Maybe I’ll be a businessman.
G.
But I would rather live in one place.
【单选题】She is a good wife and has high_____.      .
A.
responsibility
B.
time
C.
housework
D.
schedule
【简答题】主轴转速指令功能是由字母 ( ) 和其后的数字来表示。 A.U B.W C.D D.S
【单选题】运用 AUTOCAD 进行二维建筑制图的优势包括( )、易重复性、易修改性和易保存性?
A.
美观性
B.
抽象性
C.
精确性
【单选题】7447 模块用于驱动共( )数码管。
A.
阴极
B.
阳极
C.
均为正确答案
【判断题】干燥的氯气可以使有色布条褪色。
A.
正确
B.
错误
【单选题】7447 模块用于驱动共( )数码管。
A.
阴极
B.
阳极
C.
以上都对
【简答题】Now many people like the Angry Birds. Here is a piece of good news for them—soon there will be a lot of Angry Birds-themed activity parks around the world. The first two parks opened in Finland l...
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