问题
多项选择题
基层结构的稳定性，包括( )。
A．水温稳定性
B．高温稳定性
C．温度稳定性
D．低温抗裂性
答案
参考答案：A,C
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基层结构的稳定性，包括( )。
A．水温稳定性
B．高温稳定性
C．温度稳定性
D．低温抗裂性
参考答案：A,C
完形填空（本题共10小题，每小题2分，共20分） Once a man wanted to go 1 one side of a river to 2 in a boat. He 3 take 4 him a sheep, a wolf and a basket of vegetables. But he could take only one of them 5 , because the boat was very 6 . “If I 7 the wolf and the sheep together, the wolf may eat the sheep,” he said to 8 .“If I leave the sheep and the vegetables together, the sheep may eat the vegetables.” He thought and thought. At last, he had an idea. And he 9 able to get to the other side of the river with the sheep, the wolf, and the vegetables. Do you know 10 ?
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