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【单选题】
设 是 的一个因式,则 的值为 ( )。A.
1
B.
2
C.
3
D.
4
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举一反三
【多选题】108-3 关于斜弯曲变形的下述说法,正确的是 ______ 。
A.
是在两个相互垂直平面内平面弯曲的组合变形；
B.
中性轴过横截面的形心；
C.
挠曲线在载荷作用面内；
D.
挠曲线不在载荷作用面内。
【简答题】希望小学三年级有男学生238人，女学生比男学生少20人．希望小学三年级有学生多少人？
【单选题】Brothers and sisters often look a bit different from each other because
A.
they have somewhat different genes.
B.
their father's genes are different from their mother's.
C.
their parents want them to have individual features.
D.
they were born in different places.
【简答题】Please derive Three Degree of Vehicle Lateral Model.
【简答题】补全短文。 There is a park near my home, but I don't go there very often. One afternoon I went into the 1 and found it was really small. In the park, there were two different ways. One was wide and clean. ...
【简答题】希望小学三年级有男学生228人，女学生199人．希望小学三年级有学生多少人？
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