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【单选题】
为了充分发挥梁的抗弯作用,在选用梁的合理截面时,应尽可能使其截面的材料置于 的地方。A.
离中性轴较近
B.
离中性轴较远
C.
形心周围
D.
接近外力作用的纵向对称轴
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举一反三
【单选题】Part I Listening Comprehension Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there ar...
A.
To have his own business.
B.
To do social work.
C.
To move to another city.
D.
To go to study abroad.
【简答题】根据第二章学习的内容,大家讨论一下之前做过的各类实验,有效数字的保留问题
【简答题】A: I'm shocked to see my final grade. They say that in the US, students can talk to the professor and get the grade. Do you think I can do that? B: If the recorded grade is wrong, you do have reason t...
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