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【单选题】
波源振动持续时间很短间歇辐射的波称为（）。A.
连续波
B.
脉冲波
C.
近场波
D.
以上都不对
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举一反三
【单选题】What does NOT happen to interpersonal communication(人际交往) nowadays according to the passage?
A.
People have deeper relationships
B.
People use the Internet to get in touch with others.
C.
People like texting and messaging more than talking on a phone.
D.
People have more acquaintances through electronic communication.
【单选题】What does NOT happen to interpersonal communication(人际交往) nowadays according to the passage?
A.
People have deeper relationships.
B.
People use the Internet to get in touch with others.
C.
People like texting and messaging more than talking on a phone.
D.
People have more acquaintances through eletronic communication.
【简答题】What
does NOT happen to interpersonal communication( 人际交往 )
nowadays according to the passage?A. People
have deeper relationships. B. People
use the Internet to get in touch with others. C. People
li...
【简答题】计算货物重心纵向最大容许偏移量为a容,当P容-Q≥10t时,公式为____ ,当P容-Q<10t时,公式为____ 。
【单选题】下列关于胰岛素治疗糖尿病的叙述,错误的是(0分)
A.
酮症酸中毒患者
B.
经饮食控制及口服降糖药物不能控制者
C.
有严重慢性并发症的糖尿病患者
D.
乳酸酸中毒伴高血糖
E.
适用于糖尿病产妇的新生儿
【判断题】The evolution of life is deliberately designed, affected occasionally by random mutations and natural selection.
A.
正确
B.
错误
【简答题】什么是虚拟机?它的作用有哪些?列举出常用的几款虚拟机软件。
【单选题】Choose the best answer for each of the following questions. What does NOT happen to interpersonal communication( 人际交往 ) nowadays according to the passage?
A.
People have deeper relationships.
B.
People use the Internet to get in touch with others.
C.
People like texting and messaging more than talking on a phone.
D.
People have more acquaintances through electronic communication.
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