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【单选题】
关于脂类,下列表述错误的是( )。A.
脂类是产热营养素
B.
膳食脂肪摄入越少越好
C.
脂类包括脂肪和类脂
D.
植物性食物不含胆固醇
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【单选题】_______ my carelessness, the machine doesn’t work again. A. Due in B. Due to C. Due at D. Due of
A.
Due in
B.
Due to
C.
Due at
D.
Due of
【简答题】包装的分类方式有哪些?
【判断题】The leading cause of America’s entry into World War I is mainly due to the damage to America’s interests.
A.
正确
B.
错误
【判断题】The leading cause of America's entry into World War I is mainly due to the damage to America's interests.
A.
正确
B.
错误
【单选题】Due to the entry and exit of firms in a monopolistically competitive market:
A.
economic profits and economic losses are dissipated in the long run.
B.
economic profits persist in the long run, but not economic losses.
C.
economic losses will exist in the long run, but not economic profits.
D.
both economic profits and economic losses exist in the long run.
【单选题】His health is improving day by day. It is quite ______ that the medicine has a good effect on his disease. [ ]
A.
strange
B.
apparent
C.
complex
D.
uncertain
【单选题】Some blood types are quite common, others are regionally , and still others are rare everywhere.
A.
distributed
B.
contributed
C.
obtained
D.
Convinced
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