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【单选题】
具有良好抗疟作用的青蒿素衍生物是A.
青蒿酸甲酯
B.
青蒿醇
C.
青蒿甲素
D.
青蒿甲醚
E.
青蒿
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【单选题】Task 4 Reading Comprehension(Passage 2) Although English is not as old as Chinese, it is spoken by many people around the world every day. English speakers are always creating new words, and we are ...
A.
a kind of food
B.
a round piece of beef
C.
the name of a village
D.
a city in Germany
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【单选题】Task 4 Reading Comprehension(Passage 2) Although English is not as old as Chinese, it is spoken by many people around the world every day. English speakers are always creating new words, and we are ...
A.
few Americans like hamburgers
B.
Germans are good at cooking food
C.
hamburgers are made with ham
D.
hamburgers were first sold about a century ago
【单选题】Task 4 Reading Comprehension(Passage 2) Although English is not as old as Chinese, it is spoken by many people around the world every day. English speakers are always creating new words, and we are ...
A.
China because it has a long history
B.
England because Germans don’t speak good English
C.
the round pieces of beef which those people from Hamburg were eating
D.
English speakers because they always create new words
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