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【单选题】
DFT中,移入定值杯的幼苗,根系未完全伸出值,可让定值杯杯底部()A.
离开营筹液液面
B.
发入液面约1-2cm
C.
浸入营养液，直至营养液浸到定植杯表面
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【简答题】省煤器的作用是什么?
【简答题】Communication is important because it can help poeple to ．
【简答题】漫江碧透, 。《沁园春·长沙》
【简答题】翻译：漫江碧透，百舸争流。
【简答题】共模抑制比 K CMR 是 ( ) 之比,因此 K CMR 越大表明电路 ( )
【多选题】Based on the social level, communication can be classified into
A.
Intrapersonal communication
B.
Interpersonal communication
C.
Organizational communication
D.
Mass communication
【单选题】The nature of public speaking is communication. Communication can be defined as:
A.
Exchange by words, letters, or messages; interchange of thoughts or opinions, by conference or other means; conference; correspondence.
B.
People talking on the phone
C.
All the answers are correct.
D.
People e-mailing each other
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