皮皮学，免费搜题
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搜题
【单选题】
食品质量管理以（）为核心。A.
食品安全
B.
功能性
C.
经济性
D.
食品营养
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】The teacher said we needed to choose three _____ for the school concert. [ ]
A.
farmers
B.
doctors
C.
drivers
D.
singers
【单选题】The teacher said we____ten lessons by the end of this term.
A.
should have studied
B.
were going to study
C.
have studied
D.
should study
【单选题】— The teacher said we had only three days to finish the work. — Don't worry. We have already ________ two thirds of it.
A.
got down
B.
got through
C.
given in
D.
given away
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