问题
单项选择题
轻骨料钢筋混凝土中，粉煤灰最大掺量为基准混凝土水泥用量的（ ）
A．25%
B．30%
C．35%
D．50%
答案
参考答案：B
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轻骨料钢筋混凝土中，粉煤灰最大掺量为基准混凝土水泥用量的（ ）
A．25%
B．30%
C．35%
D．50%
参考答案：B
I 1 you’re well. I’m 2 holiday in London with my friend Jenny. We arrived 3 plane last Monday and 4 a taxi to our hotel. I went for a walk in Hyde Park but Jenny 5 with me 6 she was tired. Then 7 Tuesday we saw the clock, Big Ben, and BuckinghamPalace. Queen Elizabeth lives in the palace, but we didn’t see her. I 8 some presents. 9 day we visited the BritishMuseum 10 had dinner in a Chinese restaurant.
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