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【单选题】
在单相桥式整流电路中,如果有一只整流二极管脱焊,该电路( )。
A.
引起电源短路
B.
仍为桥式整流电路，但输出电压减小
C.
仍为桥式整流电路，但输出电压上升
D.
称为半波整流电路
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参考答案：
举一反三
【单选题】B2C 电子商务指的是?
A.
旅游企业间电子商务
B.
旅游企业对旅游者电子商务
C.
旅游者对旅游企业电子商务
D.
旅游者对旅游者电子商务
查看完整题目与答案
【简答题】Match the purpose of visit with the proper types of visa.
查看完整题目与答案
【单选题】What's the purpose of the speaker when he/she says "these pants don't match my shoes"
A.
ask for a refund
B.
express dislikes
C.
ask about color
D.
exchange greetings
查看完整题目与答案
【单选题】Directions: Match the following words orterms with their definition.Itrestates the purpose of the report, highlights the major points of the report,and describes any results, conclusions, or recommend...
A.
status quo
B.
volatile
C.
executive summary
D.
innovation
查看完整题目与答案
【单选题】Task Two - Purpose of advertisement &8226;For questions 18-22, match the extracts with the purposes, listed A-H. &8226;For each extract, choose the purpose of the advertisement. &8226;Write one letter...
A.
to advertise a job
B.
to launch a new product
C.
to announce new opening times
D.
to publicise a sale
E.
to announce a change in location
F.
to change the company's image
G.
to give information about sales figures
H.
to promote a catalogue
查看完整题目与答案
【单选题】Task Two—Purpose of advertisement ?For questions 18-22, match the extracts with the purposes, listed A-H, ?For each extract, choose the purpose of the advertisement. ?Write one letter (A-H) next to th...
A.
to advertise a job
B.
to launch a new product
C.
to announce new opening times
D.
to publicise a sale
E.
to announce a change in location
F.
to change the company's image
G.
to give information about sales figures
H.
to promote a catalogue
查看完整题目与答案
【简答题】Match the beginnings of the emails with the descriptions of the writer's purpose.A. I look forward to speaking to youtomorrow.B. I am writing to complain about thedelay.C. Many thanks for your email t...
查看完整题目与答案
【多选题】在控制系统设计中,调节阀的选择需要考虑哪些方面:
A.
结构
B.
气开气关形式
C.
流量特性
D.
口径
查看完整题目与答案
【单选题】What is the purpose of the antenna tuner? .
A.
It alters the electrical characteristics of the antenna to match the frequency in use
B.
It physically alters the length of the antenna to match the frequency in use.
C.
It makes the antenna look like a half-wave antenna at the frequency in use.
D.
It physically alters the length of the antenna to match the frequency of the receiver.
查看完整题目与答案
【判断题】有一种观点认为:阶级性与科学性是不相容的,凡是代表某个阶级利益和愿望的社会理论,就不可能是科学的。 因为马克思主义具有阶级性,所以是不科学的。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】B2C 电子商务指的是?
A.
旅游企业间电子商务
B.
旅游企业对旅游者电子商务
C.
旅游者对旅游企业电子商务
D.
旅游者对旅游者电子商务
查看完整题目与答案
【简答题】Match the purpose of visit with the proper types of visa.
查看完整题目与答案
【单选题】What's the purpose of the speaker when he/she says "these pants don't match my shoes"
A.
ask for a refund
B.
express dislikes
C.
ask about color
D.
exchange greetings
查看完整题目与答案
【单选题】Directions: Match the following words orterms with their definition.Itrestates the purpose of the report, highlights the major points of the report,and describes any results, conclusions, or recommend...
A.
status quo
B.
volatile
C.
executive summary
D.
innovation
查看完整题目与答案
【单选题】Task Two - Purpose of advertisement &8226;For questions 18-22, match the extracts with the purposes, listed A-H. &8226;For each extract, choose the purpose of the advertisement. &8226;Write one letter...
A.
to advertise a job
B.
to launch a new product
C.
to announce new opening times
D.
to publicise a sale
E.
to announce a change in location
F.
to change the company's image
G.
to give information about sales figures
H.
to promote a catalogue
查看完整题目与答案
【单选题】Task Two—Purpose of advertisement ?For questions 18-22, match the extracts with the purposes, listed A-H, ?For each extract, choose the purpose of the advertisement. ?Write one letter (A-H) next to th...
A.
to advertise a job
B.
to launch a new product
C.
to announce new opening times
D.
to publicise a sale
E.
to announce a change in location
F.
to change the company's image
G.
to give information about sales figures
H.
to promote a catalogue
查看完整题目与答案
【简答题】Match the beginnings of the emails with the descriptions of the writer's purpose.A. I look forward to speaking to youtomorrow.B. I am writing to complain about thedelay.C. Many thanks for your email t...
查看完整题目与答案
【多选题】在控制系统设计中,调节阀的选择需要考虑哪些方面:
A.
结构
B.
气开气关形式
C.
流量特性
D.
口径
查看完整题目与答案
【单选题】What is the purpose of the antenna tuner? .
A.
It alters the electrical characteristics of the antenna to match the frequency in use
B.
It physically alters the length of the antenna to match the frequency in use.
C.
It makes the antenna look like a half-wave antenna at the frequency in use.
D.
It physically alters the length of the antenna to match the frequency of the receiver.
查看完整题目与答案
【判断题】有一种观点认为:阶级性与科学性是不相容的,凡是代表某个阶级利益和愿望的社会理论,就不可能是科学的。 因为马克思主义具有阶级性,所以是不科学的。
A.
正确
B.
错误
查看完整题目与答案
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