地下室防水工程采用合成高分子防水卷材时,()是目前我国采用最多的施工方法。
A. 自粘法
B. 冷粘法
C. 胶粘法
D. 热熔法
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刚性防水层与山墙、女儿墙以及与突出屋面结构的接缝处,都应做好()处理。
A. 刚性连接
B. 刚性增强
C. 柔性密封
D. 柔性增强
What determines the rate at which a molecule of water moves through the cycle,as discussed
A. The potential energy contained in water.
B. The effects of atmospheric pressure on chemical compounds.
C. The amounts of rainfall that fall on the continents.
D. The relative size of the water storage areas.
According to the passage,the economy of the United States between 1820 and 1900 was_____.
A. expanding
B. in sharp decline
C. stagnate
D. disorganized
All of the following are examples of soluble ions EXCEPT_____.
A. magnesium
B. iron
C. potassium
D. calcium