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【单选题】
A number of books ______ been stolen from the library since the beginning of this term and the number _____ as large as 500.A.
have; are
B.
has; is
C.
has; are
D.
have; is
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举一反三
【单选题】Food is broken down both physically and chemically in the process called____.
A.
absorption
B.
digestion
C.
ingestion
D.
mastication
【判断题】Absorption is the process by which food is broken down into small molecules.
A.
正确
B.
错误
【简答题】Before being absorbed, food is broken down by our digestive system into ________________.
【简答题】甘遂、京大戟、红大戟均有的功效是() A.消肿散结 B.破血消癓 C.泻水逐饮 D.杀虫疗疮 E.祛痰止咳
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