材料相同的悬臂梁Ⅰ、Ⅱ,所受荷载及截面尺寸如图所示。则两梁最大挠度之比υⅠmax/υⅡmax为()。
A、
B、
C、2
D、4
参考答案:B
解析:
υ=pl3/3EI。
根据首字母及句意补全单词。
1. She likes traveling by plane. Because the seats are very c_____.
2. The school is c_____ to the post office, so we can walk there.
3. Jinan is in Shandong P_____ .
4. Last night l watched an English movie at the c_____.
5. The baby is sleeping. Turn off the r_____, please.
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