题目内容

图中所示电路中的电压Uad为()V。

A. 1
B. 2
C. 3
D. 4

查看答案

搜索结果不匹配？点我反馈

更多问题

图示杆件横截面面积A=0.0025m2，a=0.15m，b=0.1m，材料的弹性模量E=200GPa，力 F=150kN，则杆AC段的伸长量为()。

A. 0.036mm
B. 0.018nun
C. 0.18mm
D. 0.36mm

Section A
Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and the questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices A , B, C, and D.
听力原文：M: I think I am not myself now.
W: Well, you'd better go to the school clinic and have a check-up.
Q: What does the woman advise the man to do？
(1)

A. Take his temperature.
B. Have a good rest.
C. Take some medicine.
D. Get medical advice.

如图(a)所示截面、(b)截面的面积相等，则两截面对y、z轴的惯性矩之间符合()情况。

A. (Iz)a=(Iz)b，(Iy)a=(Iy)b
B. (Iz)a＞(Iz)b，(Iy)a＞(Iy)b
C. (Iz)a＞(Iz)b，(Iy)a=(Iy)b
D. (Iz)a=(Iz)b，(Iy)a＞(Iy)b

【35】

A. same
B. unique
C. peculiar
D. common