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【单选题】
采用比例调节器和电动比例操作器的辅锅炉蒸汽压力控制系统图,为减小比例作用强度,应调节____。A.
测量电位器向水平方向转一角度
B.
测量电位器向垂直方向转一角度
C.
反馈电位器向水平方向转一角度
D.
反馈电位器向垂直方向转一角度
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皮皮学刷刷变学霸
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【多选题】Why was the writer's experience in learning a foreign language so meaningful?
A.
Learning a foreign language taught him the value of hard work.
B.
Learning a foreign language taught him about other cultures.
C.
Learning a foreign language opened his mind to new ways of doing things.
D.
Learning a foreign language allowed him to communicate with more people.
【单选题】Which is implied but not stated in the passage?
A.
The Chinese mainly use acupuncture to cure strange disease.
B.
The Chinese are learning to be more skillful and efficient in acupuncture.
C.
The Chinese have spread acupuncture all over the world.
D.
Most Chinese patients prefer acupuncture to chemicals in curing diseases.
【简答题】| 在JavaScript中定义变量要使用关键字【】。
【多选题】Why was the writer's experience in learning a foreign language so meaningful?
A.
It taught him the value of hard work.
B.
It gave him insights into another culture.
C.
It opened his mind to new ways of seeing things.
D.
It made him have more opportunity to earn money.
【单选题】● 在13个元素构成的有序表M[1．．13]中进行折半查找（向下取整），若找到的元素为M[4]，则被比较的元素依次为（59）。
A.
M[7]、 M[3]、M[5]、M[4]
B.
M[7]、M[5]、M[4]
C.
M[7]、M[6]、M[4]
D.
M[7]、M[4]
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