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【单选题】
佝偻病又称软骨病,是由于人体缺乏( )导致钙、磷代谢异常引起的。A.
维生素D
B.
维生素E
C.
维生素C
D.
维生素B
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【判断题】After buying a house in a new suburban development, Leo married the mother of the writer.
A.
正确
B.
错误
【简答题】根据GB/T 7635.1-2002,全国主要产品分类体系采用( )位数字编码。
【判断题】After buying a house in a new suburban development, Leo married the mother of the wtiter.
A.
正确
B.
错误
【简答题】Buying a house for most of the people is a once in a lifetime decision, which means people decide to do so only after coming across the ideal house. Surprisingly, eight in every 10 home buyers are unh...
【单选题】Mr Jones said that he was______the possibility of buying a house
A.
looking into
B.
looking out
C.
looking after
D.
looking over
【单选题】Mr. Jones said that he was______the possibility of buying a house.
A.
looking over
B.
looking after
C.
looking out
D.
looking into
【简答题】根据GB/T 7635.1-2002,全国主要产品分类体系采用( )层代码结构。
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