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单项选择题

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A.The use of steel in building construction.
B.Computer usage.
C.Database on computer.
D.Building construction.
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热门试题

单项选择题A.An arguement for environmental protection.B.An arguement against environmental protection.C.An arguement for common citizens.D.A clarification of a misconception about environment pollution and its cost.

A.An arguement for environmental protection.
B.An arguement against environmental protection.
C.An arguement for common citizens.
D.A clarification of a misconception about environment pollution and its cost.

单项选择题A.How to increase farm land.B.What is the biggest problem in agriculture.C.How to satisfy the needs of the farmers.D.A solution to problems in land use.

A.How to increase farm land.
B.What is the biggest problem in agriculture.
C.How to satisfy the needs of the farmers.
D.A solution to problems in land use.