皮皮学，免费搜题
登录
搜题
【多选题】
使用弯曲正应力公式 必须满足的条件有( )。A.
细长的等截面梁
B.
定义惯性矩 I 所依托的轴与弯矩 M 矢量的方向平行
C.
应力水平没有超过比例极限的梁
D.
产生纯弯曲的梁
E.
实体型截面梁
F.
荷载作用面同时又是梁的纵向对称面的梁
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The Americans are a highly ______ people. Most of them like to travel whenever they get the chance.
A.
mobilized
B.
mobile
C.
changeable
D.
moved
【单选题】Movies are the most popular form. of entertainment for millions of Americans. They go to the movies to escape their normal everyday existence and to experience a life more exciting than their own. The...
A.
to enjoy a good story'
B.
to experience an exciting life
C.
to see the actors and actresses
D.
to escape their daily life
【单选题】听力原文： Movies are the most popular form. of entertainment for millions of Americans. They go to the movies to escape their normal everyday existence and to experience a life more exiting than their own...
A.
enjoy a good story
B.
see their favorite actors or actresses
C.
temporarily escape from their everyday life
D.
share with their family a common experience
【单选题】听力原文： Movies are the most popular form. of entertainment for millions of Americans. They go to the movies to escape their normal everyday existence and to experience a life more exiting than their own...
A.
enjoy a good story
B.
see their favorite actors or actresses
C.
temporarily escape from their everyday life
D.
,share with their family a common experience
【简答题】Some companies foresee the bankruptcy of food processing factories.
【单选题】听力原文： Movies are the most popular form. of entertainment for millions of Americans. They go to the movies to escape their normal everyday existence and to experience a life more exciting than their ow...
A.
To enjoy a good story.
B.
To see the actors and actresses.
C.
To experience an exciting life.
D.
To escape their everyday life.
【单选题】For most Americans, their 18th birthday the end of one part of their life and beginning of another.
A.
predicts
B.
tells
C.
marks
D.
Signs
【单选题】There are some trees on one side of the road and some factories on _____.
A.
other
B.
the other
C.
another
D.
others
相关题目：
参考解析：
知识点：
题目纠错 0
发布
