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【单选题】
激励器的作用有：——①用来产生具有所需工作种类的信号；②产生所需发射频率的信号；③用来放大射频信号，以达到额定的输出功率；④产生单边带信号，再将它线性地搬移到发射频率范围内。A.
①②④
B.
①③④
C.
①②③
D.
②③④
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反馈参考答案：
举一反三
【单选题】What does the word 'integration' in the last paragraph probably mean?
A.
Host countries cooperate with sending countries.
B.
Economies depend more on one another.
C.
Immigrants embrace the language and values of host countries.
D.
The E. U. members share a common interest in migration.
【简答题】隆昌寺的无梁殿有哪三大特色?
【单选题】What does the word "fast" mean in Line 4, Para. 7?
A.
Forbid diet.
B.
Forget diet.
C.
Heal fast.
D.
Vomit fast.
E.
None of the above
【单选题】6 What does the word "purify" mean in terms of the sales function? (2.2)
A.
It means to change the ways non-sales activities occur so they cost the company less.
B.
It means to ask all employees, regardless of job function, to sell to any customer they have contact with.
C.
It means to carefully consider the product line and eliminate products that do not sell well.
D.
It means to convert factories and production lines to have the least environmental impact possible.
E.
It means to choose the most expensive method to reach customers.
【简答题】队形练习的内容包括_________,队形变换、散开与靠拢,它是大、中、小型赛事文化活动中团体操的必备内容。
【单选题】What does the word “inevitable” mean in the following sentence from paragraph E? “Instead, we should view [urbanization] as an inevitable part of development.”
A.
unavoidable
B.
inconvenient
C.
essential
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