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【简答题】
对于电压比较器,当同相端电压大于反相端电压时,输出 电平,当反相端电压大于同相端电压时输出 电平。
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举一反三
【简答题】We observe that the first calls for radical transformation did not begin until the period of the revolution . (industry)
【单选题】If we observe that a consumer’s budget constraint has shifted inward, we can assume that the consumer will be
A.
fewer normal goods and more inferior goods.
B.
more normal goods and fewer inferior goods.
C.
more normal goods and more inferior goods.
D.
fewer normal goods and fewer inferior goods.
【单选题】如果怠速控制阀的阀体锥面有较多积炭,则将导致发动机( )。
A.
进气量减小、混合气过浓，冷机起动困难
B.
进气量减小、混合气过稀，冷机起动困难
C.
进气量增大、混合气过浓，热机起动困难
D.
进气量增大、混合气过稀，热机起动困难
【单选题】We observe that the first calls for radical ______ did not begin until the period of the industrial revolution.
A.
transaction
B.
transition
C.
transmission
D.
transformation
【单选题】1What are the writing principles that we should observe when we write a business letter?
A.
Clarity, Completeness, Conciseness, Correctness, Concreteness and “You” attitude.
B.
Consideration, Courtesy, Completeness, Concreteness, Clarity and “We” attitude.
C.
Completeness, Conciseness, Vagueness, Concreteness and Consideration.
D.
Consideration, Courtesy, Completeness, Concreteness, Clarity, Conciseness and Correctness.
【单选题】What are the writing principles that we should observe when we write a business letter?
A.
Clarity, Completeness, Conciseness, Correctness, Concreteness and “You” attitude.
B.
Consideration, Courtesy, Completeness, Concreteness, Clarity and “We” attitude.
C.
Completeness, Conciseness, Vagueness, Concreteness and Consideration.
D.
Consideration, Courtesy, Completeness, Concreteness, Clarity, Conciseness and Correctness.
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