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【单选题】
缩放视角的快捷键是:
A.
alt建+左键在空白处单击并拖动
B.
alt键+左键然后放开alt键在空白处拖动并平移
C.
在空白处单击并拖动
D.
Ctrl+d
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举一反三
【单选题】选出划线词的词性和意思。 I am wet all over because I am in the rain without an umbrella.
A.
动词,弄湿
B.
动词,湿的
C.
形容词,湿的
D.
形容词,弄湿
【单选题】定子绕组串电阻降压起动的起动转矩与直接起动相比( )。
A.
起动转矩下降
B.
起动转矩增大
C.
起动转矩不变
D.
起动转矩不定
【单选题】---Anna, you look so tired and wet all over! ---Well, you know, all morning I _______ my books to my new office on the third floor.
A.
am moving
B.
have moved
C.
had moved
D.
have been moving
【单选题】_______ in the rain, he was wet all over.
A.
He was wet
B.
Being caught
C.
To be caught
D.
caught
【单选题】Mary was running in the rain and was wet ______.
A.
all over
B.
over and over
C.
all right
【简答题】测试装置 2 个环节的串联后的频率响应函数与它的 2 个组成之间的关系是什么?为什么所有的系统都可以由一阶和二阶系统来组成?
【单选题】I am wet all over because I am in the rain without an umbrella.选出划线词的词性和意思。
A.
动词,弄湿
B.
动词,湿的
C.
形容词,湿的
D.
形容词,弄湿
【单选题】自耦减压起动器是利用(    )来进行降压的起动装置。
A.
定子绕组串电阻    
B.
延边三角形降压起动
C.
星形-三角形降压起动    
D.
自耦变压器
【简答题】请简述餐饮管理的任务。
【单选题】—Peter, you look so tired and wet all over! —Yes, all afternoon I ________ football on the playground.
A.
am playing
B.
have been playing
C.
played
D.
have played
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