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【单选题】
下列说法正确的是A.
结构无多余约束必然是静定的
B.
多跨静定附属部分受力，则只有附属部分产生内力
C.
方程中，主系数恒为正，副系数可正、可负或为零
D.
三刚片用三个铰两两相联必成为几何不变体系
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【简答题】阅读理解。 Li Ming: Hi, Steveni How are you? Steven: I'm fine. Thanks. And you? Li Ming: I'm fine, too. Today is my birthday. Please come to my birthday party tonight. Steven: Happy birthday to you, Li Mi...
【简答题】I first met Li Ming at a friend birthday party five years ago. Then I invited Li Ming over in my place. We listen to my CDs together and soon became best friend. Three years ago, Li Ming’s parents inv...
【单选题】—Li Ming, this is Jim. —_____ [ ]
A.
Jim, this is Li Ming.
B.
No, I’m not.
C.
Yes, I am.
D.
That’s right.
【简答题】完形填空。 ' Who 1___________ these gifts, Jenny? ' Li Ming 2___________ quietly. ' Did Santa? ' ' I 3___________ know,' Jenny whispers to Li Ming. ' I don't think so. I think my Mum and Dad brought 4_____...
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