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【单选题】
在可见光中,区域的波长范围为( )。A.
400-500nm
B.
500-600nm
C.
600-700nm
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举一反三
【单选题】7( ).Qing Shihuang was a ___emperor, so he was unpopular with the people.
A.
happy
B.
kind
C.
friendly
D.
cruel
【判断题】People in Qing Dynasty prefer Gilded multicolored porcelain produced in Guangdong Province.
A.
正确
B.
错误
【简答题】Chinese Hui people are connected with the word “Qing zhen” . What is “Qing zhen” in the language of Chinese?
【单选题】Tea picked at the Qing-ming Festival is favored by people＿＿freshness, and greenness。
A.
due to
B.
in addition to
C.
in spite of
D.
regardless of
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