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
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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
Which of the following does NOT describe intuitive talents？
A. They are innovative in strategic planning.
B. They are good at finding new approaches on old problems.
C. They are the executives that all organizations would love to find.
D. They are fully utilized.
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