混凝土的抗渗性能试验，从水压为0.1MPa开始，以后每隔（）h增加水压0.1MPa。
题型：单项选择题
问题：
混凝土的抗渗性能试验，从水压为0.1MPa开始，以后每隔（）h增加水压0.1MPa。
A、6
B、8
C、4
题型：单项选择题
| 通读下面短文，掌握其大意,然后在各题所给的A、B、C三个选项中，选出一个最佳选项。 A young man was going to spend his holiday in a mountain village. That night he 1 at a small hotel (旅馆) near the train station. 2 going to bed, he went to the owner of the hotel and said, " Excuse me, sir. Will you please 3 me up at four forty-five tomorrow morning? I'll take the five o'clock 4 ." "Oh, sorry," the owner said in  a hurry. " I'm afraid I can't. I won't be able to get up so 5 . "The young  man was going to return to his room  6 he stopped and asked, " Have you got an alarm clock (闹钟)? Maybe it can help me." "Yes, here you a  re, young man, " said the owner.The young man thanked the owner 7 . But as he looked at the  alarm clock cl osely, it seemed there was 8 wrong with it. "Will it 9 on time? " he asked. "Sure! You just give it a good shake ( 摇晃 ) at a quarter 10 five, and it will do! " | ||||
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