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【单选题】
如图所示,直径为d的实心等圆截面直杆ABC,A端固支,其中部B截面圆周上间隔【图片】铰接有三根长度为a、横截面积为S的二力杆。所有杆件均为相同的各向同性材料制成,其杨氏模量、剪切模量、泊松比依次为【图片】。初始时体系无内力,现于C处施加如图所示的扭矩T, 记C端转角大小为【图片】,B端转角大小为【图片】。若参数满足如下关系:【图片】,【图片】,【图片】,则【图片】的值为( )。【图片】
A.
3
B.
2
C.
4
D.
3.5
E.
2.5
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【简答题】喉软骨包括成对的 、和不成对的 、 和 、
【单选题】肾脏结构和功能的基本单位是指
A.
肾小球和肾小管
B.
肾小管和肾小囊
C.
肾小体和肾小球
D.
肾小球和肾小囊
E.
肾小管和肾小体
【判断题】喉的软骨包括不成对的甲状软骨、环状软骨、会厌软骨和成对的杓状软骨
A.
正确
B.
错误
【简答题】喉软骨包括成对的 ,和不成对的
【单选题】In Para. 19 and Para. 20, Obama gives a lot of description of Trinity United Church of Christ -- the black church he joins, which one of the following statements is NOT true about the description of ...
A.
Obama tries to give a real, objective picture of what the black church is look like.
B.
Obama tries to point out that Trinity, like other black churches, is an embodiment of black history, black experience, black people in the community, the embodiment of complex contradictions.
C.
By giving the detailed description of Trinity, Obama is actually paving the way for his efforts to defend Reverent Wright and to explain his controversial statement.
D.
Obama tries to point out how different the black church is from the white church and to criticize people’s biased opinion of the black church.
【简答题】喉软骨包括成对的 和不成对的 、 和呼吸道唯一结构完整的 。
【简答题】C. listen to the passage again and discuss the following questions: 1. what did tombs in Egypt from 3000 years before Christ contain?
【单选题】Where did Tony come from?
A.
Italy
B.
Britain
C.
America
D.
China
【单选题】Where did Tony come from?
A.
A rocky farm in Italy.
B.
A mountainous area in America.
C.
A remote village in England.
D.
Not mentioned in the text.
【单选题】肾脏结构和功能的基本单位是指
A.
肾小球和肾小管
B.
肾小管和肾小囊
C.
肾小体和肾小球
D.
肾小体和肾小囊
E.
肾小管和肾小体
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