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【多选题】
水平干线子系统的设计涉及到水平子系统的传输介质和部件集成,所以要考虑:( )A.
确定线缆、槽、管的数量和类型
B.
确定电缆的类型和长度
C.
确定信息插座数量
D.
确定线路走向
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】光栅常数越小，各级谱线的间距______；波长越长，相邻两级谱线间距______。
【单选题】经营非处方药药品的企业指南性标志用
A.
红色专有标识
B.
绿色专有标识
C.
红色和绿色专有标识
D.
双色专有标识
E.
单色专有标识 依据《非处方药专有标识管理规定(暂行)》
【简答题】所有的电缆都要用线扣绑扎, 线扎上结与结之间的间距要均匀，一般间距取线扎直径的__
【简答题】video_1582782862080.mp4 选短语填空 This is __ my book __ hers. We are not __ to listen to MP3 in class. His car __ on his way home yesterday. I don't know __ he wants to come to my birthday party__. He did...
【单选题】Listen to Passage 1 in "Listening in" and choose the best way to complete the sentence. They now decide which book to read __________.
A.
by asking for everyone's suggestions
B.
by inviting the host of the last meeting to choose
C.
very carefully so as not to cause too much stress
D.
all together unless it's science fiction
【简答题】给下列的问句选择适当的答语。 ( ) 1. What do you do on the weekend? ( ) 2. When do you get up? ( ) 3. What's your favourite season? ( ) 4. Why do you like fall? ( ) 5. Can you wash the clothes? (...
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