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【单选题】
下列能源中不属于来自太阳辐射的能源:A.
生物能
B.
太阳能
C.
石油
D.
地热能
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皮皮学刷刷变学霸
举一反三
【单选题】电路如图所示, 所有二极管均为理想元件，则D1、D2、D3的工作状态为（ ）。A.D1导通，D2、D3截止 B. D1、D2截 止,D3导通C. D1、D2截 止,D3导通 D. D1、D2、D3均截止【图片】
A.
A
B.
B
C.
C
D.
0
【简答题】最繁荣的地区 _____________________________
【单选题】Which one is better for translating “ 黄河流域 是 中国古代文明的诞生地,也 是 中国早期历史上最繁荣的地区。 ”?
A.
The Yellow River basin is the cradle of China’s ancient civilization and was once the most prosperous region in early history of China.
B.
The Yellow River basin was the cradle of China’s ancient civilization and was once the most prosperous region in early history of China.
C.
The Yellow River basin is the cradle of China’s ancient civilization and is once the most prosperous region in early history of China.
【简答题】最繁荣的地区 The _______ __________ __________
【简答题】黄河发源于青海。黄河流域(river basin)是中国古代文明的诞生地,也是中国早期历史上最繁荣的地区。17-6-3
【简答题】如图1-6,D 1 、D 2 为理想二极管。D 1 状态 ,D 2 状态 。 V AB = V
【单选题】黄河流域是中国古代文明的诞生地,也是中国早期历史上最繁荣的地区。
A.
The yellow river basin is the cradle of china's ancient civilization and was once the most prosperous region in early history of China.
B.
The yellow river basin is the birthplace of ancient Chinese civilization and is once the most prosperous region in early history of China.
C.
The yellow river basin was the birthplace of ancient Chinese civilization and is once the most prosperous region in early history of China.
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