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【判断题】
波导发生击穿时高频放电具有很大的导电性,使波导阻抗发生变化,从而引起强烈的电磁波反射,正常传输将终止,振荡器工作状态大大改变,甚至工作完全被破坏。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】石料是水利工程中一种重要的()材料。
【单选题】以一个客观的评价标准为基准，将每个评价对象与这个客观标准进行比较，衡量其达到标准的程度，从而得出一个量化结果，这就是()。
A.
相对评价
B.
绝对评价
C.
差异评价
D.
质性评价
【单选题】The Democratic People's Republic of Korea (DPRK) _______South Korean authorities _____ barring ( 阻挠) South Koreans from visiting DPRK to mourn late leader Kim Jong Il. [ ]
A.
assessed…of
B.
accused…of
C.
warned…of
D.
tell…
【简答题】GWANGJU, South Korea, Sept. 28，2013 (Xinhua) — Cultural ministers from China, Japan and South Korea participating in the 5th China-Japan-South Korea Ministerial Conference on Culture held here Saturda...
【单选题】Tightened Visa Regulations According to South Korea's new visa regulations, native speakers of English in South Korea will be required to undergo criminal record checks, medical and drug tests, provid...
A.
To pass a Korean language test.
B.
To undergo a medical test.
C.
To provide sealed school reports.
D.
To undergo a drug test.
【简答题】Why is South Korea lucky for her? (4.0分)A. She won her first medal in World Championships in South Korea. B. She won an Olympic medal in South Korea. C. She was not injured in South Korea. D. Both A a...
【单选题】What is the news mainly about?
A.
South Korea's proposal to hold talks with DPRK.
B.
DPRK's proposal to hold talks with South Korea.
C.
The river flood prevention problem in South Korea.
D.
The separated family reunions in South Korea.
【单选题】The author's tone in discussing South Korea's cloning advance is of
A.
criticism
B.
satire
C.
suspicion
D.
appreciation
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