问题
单项选择题
砖砌体的灰缝应横平竖直，厚薄均匀。水平灰缝厚度宜为( )mm。
A．6
B．8
C．10
D．12
答案
参考答案：C
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砖砌体的灰缝应横平竖直，厚薄均匀。水平灰缝厚度宜为( )mm。
A．6
B．8
C．10
D．12
参考答案：C
Once there was a father and a son. They were ill-tempered(坏脾气的) and never gave way（退让）to 1. One day the father 2 to ask some friends to dinner in his house. He 3 his son to buy some meat in town. When the son walked towards the town gate, a man was coming from the outside. The gate wasn’t 4 enough to let two men in and out at the same time. But neither of 5 would give way to the other. They stood straight face to face inside the gate hour after hour. But the father was worried. “What shall I do? My son hasn’t 6 yet. I can’t wait any more.” He wanted to know what was the 7 with his son. So he left his friends at home ,and went to town 8 his son. “You may first take the 9 home for my friends .Let me 10 here against him instead.” he said to his son when he knew what had happened.
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