It upset Williams' wife and family when______.
A. Williams had to go to work at night
B. the dog made too much noise in the house
C. Williams made them all get up early
D. the dog would not let them see the newspaper
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预应力混凝土中的水泥用量不宜大于()kg/m3。
A. 200
B. 300
C. 400
D. 500
装配式预应力混凝土水池进行现浇壁板缝混凝土施工时,混凝土分层浇筑厚度不宜超过()mm,并应采用机械振捣,配合人捣固。
A. 100
B. 150
C. 200
D. 250
Which of the following events was the revival of classical literature and artistic styles
A. The Enlightenment.
B. The Glorious Revolution.
C. The Restoration.
D. The Renaissance.
Once upon a time a poor farmer taking a sack of wheat to the mill. He did not know【56】to do when it slipped from his horse and fell【57】the road. The sack was【58】heavy for him to【59】, and his only hope was that【60】some one would come riding by and【61】a hand. It was not long【62】a rider appeared, but the farmer's heart sank when he【63】him, for it was the great man who lived in a castle near by. The farmer【64】have dared to ask【65】farmer to help, or any poor man who might have come【66】the road, but he could not beg a【67】of so great a man.
【68】, as soon as the great man came up he got【69】his horse, saying, "I see you've had bad luck, friend. How good it is【70】I' m here just at the【71】time. "Then he took one【72】of the sack, the farmer, the other, and between them they lifted it on the horse. "Sir, "asked the farmer, "how can I pay you?"
"Easily enough, "the great man【73】. "Whenever you see【74】else in trouble,【75】the same for him.
(56)
A. how
B. what
C. which
D. whether