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【简答题】
用幅值相量表示正弦电压u= 537sin(wt-90°)V时,可写作 A. U=537 ∠-90
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参考答案:
举一反三
【判断题】学者罗伯特达尔指出“公共政策”的意思与其字面意思相同,即为“公共”而制定的政策。
A.
正确
B.
错误
【单选题】Skim the article quickly and say which of the following points are mentioned: ________
A.
The high profit margins on bags.
B.
Investing in markets that may take some time to grow.
C.
People are ready to pay a lot of money for very high-quality things because they are beautiful.
D.
Building customer loyalty through ready-to-wear.
【多选题】In order to survey an article, which part(s) of a research paper can we skim before reading it carefully?
A.
Reference.
B.
Pictures and captions.
C.
Graphs and diagrams.
D.
Title, subtitle and headings.
【单选题】what should we skim for an academic article?
A.
time
B.
conclusion
C.
place
D.
terminology
【多选题】船舶电力系统对继电保护装置的基本要求有哪些?
A.
选择性
B.
速动性
C.
灵敏性
D.
可靠性
【单选题】Skim the article and choose the correct answer to each of the following questions. 1.How did Zhu manage to attend school away from home?
A.
She loved poetry and literature and persuaded the principal in the boarding school to accept her as a girl student.
B.
Zhu convinced her father to allow her to attend school disguised as a young man.
【单选题】what should we skim for an academic article?
A.
abstract
B.
conclusion
C.
title
D.
terminology
【多选题】Some steps to help you to skim an article
A.
读题目
B.
读导入段落的简介
C.
读副标题
D.
读其余段落的首句
E.
完整的读完结尾段
【单选题】16X的DVD光驱,读取速率数据值为( ). (3分)
A.
21.6MB/S
B.
150KB/S
C.
600KB/S
D.
2.4MB/S
【单选题】胃气一般是指
A.
胃的受纳功能
B.
脾的运化功能
C.
脾胃的消化功能
D.
水谷精微之气
E.
小肠的分清别浊功能
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