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【单选题】
下列关于胶凝材料说法正确的是( )。A.
常见的有机胶凝材料有沥青、各种合成树脂、水泥等
B.
气硬性胶凝材料不仅能在空气中硬化，而且还能在水中硬化
C.
气硬性材料只能在空气中硬化并保持或继续发展其强度
D.
水硬性材料只能在水中硬化并保持或发展其强度
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【单选题】Which of the following is NOT TRUE according to the passage? 细节题
A.
We will be in trouble if our far cells become less responsive to insulin.
B.
More and more studies are done to study the link between sleep and weight.
C.
More than 20% of Americans are not getting enough sleep.
D.
Fat cells are there to help us maintain a good health.
【简答题】The ______(细节)of the plan are still being worked out.
【单选题】What is the purpose of this passage? (细节题)
A.
To introduce how the Hydrapulper deals with garbage.
B.
To tell what the writer thinks of the idea of getting rid of solid wastes.
C.
To explain why garbage should be recycled.
D.
To describe an experiment in which a Hydrapulper is used.
【单选题】Why did Tim find a part time job?
A.
To have more experience
B.
To help his family go through financial difficulties
C.
To help his father in businee
【单选题】Why did Tim find a part-time job?
A.
To have more experience.
B.
To help his family go through financial difficulties.
C.
To help his father in business.
【单选题】使用数据类型名称转换方法将双精度浮点型变量转换为单精度浮点型变量，以下正确的是（ ）
A.
double c=1.5; b=(float)c;
B.
int c=1.5; b=(float)c;
C.
float c=1.5; b=(double)c;
D.
string c="1.5"; b=(float)c;
【简答题】The full d of the agreement haven't been made public. ( 详情；细节 )
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