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【单选题】
维生素 C具有较强的还原性是因为分子中含有( )A.
羟基
B.
手性中心
C.
羰基
D.
烯二醇结构
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皮皮学刷刷变学霸
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【多选题】知识产权之所以容易受到侵犯，其主要原因包括（）。
A.
知识产权的无形性
B.
知识产权可以复制
C.
互联网时代更容易导致知识产权受到侵犯
D.
知识产权具有重要价值，容易成为侵犯的目标
【简答题】知识产权之所以容易受到侵犯,其主要原因包括:( )。
【简答题】Whom did the old woman think the Indian was?
【简答题】The young man offered to take the old woman to the railway station.
【单选题】This is a picture of my family. The old man in the middle is my grandfather. The old woman beside him is my grandmother. This is my father. He is a Chinese teacher in my school. This is my mother. She...
A.
True
B.
False
【单选题】Which is the right order of the following s? a. The old woman chose the heavy basket b. The old woman opened the basket full of gold c. The old man told his wife where he had been d. The old man ...
A.
d-b-a-c
B.
c-b-a-d
C.
d-c-a-b
D.
d-c-b-a
【单选题】Why did the old man often laugh at the old woman?
A.
He thought the woman did not follow the news about the Russian-German War.
B.
He thought the woman followed too much the news about the Russian-German War.
C.
He himself read the newspapers rather than listening to the radio.
D.
The old woman, however, only read newspapers.
【简答题】（作文）What do yon think is the most admirable quality of the old woman in the text “The Wash woman?TOPIC：What do yon think is the most admirable quality of the old woman in the text “The Washwoman?” You...
【单选题】Why didn ’ t the sparrow say anything to the old woman?
A.
Because he preferred to live in the mountains.
B.
Because he had given the old man a basket full of gold.
C.
Because the old woman treated him badly before.
D.
Because the old woman was angry with her husband.
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