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【单选题】
How does the author develop his idea in paragraph 4?A.
By referring to a social phenomenon.
B.
By making a comparison.
C.
By posing a contrast.
D.
By criticizing a typical behavior.
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【简答题】delivery 动词 ________
【简答题】请用一个动词替代下面句子中括号中的动词短语,增加行文的正式度。 Scientists are ( looking into) innovative drug delivery systems that can transport and deliver a drug precisely and safely to its site of action.
【单选题】It is a sad reality that children m ake up a large ________of the world’s population who suffers from hunger.
A.
collective
B.
selective
C.
additional
D.
proportion
【单选题】Which one of the following words can be used to describe Dory who suffers from short-term memory loss?
A.
Suspicious
B.
Anxious
C.
Independent
D.
Forgetful
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