图中T形截面拉弯构件强度计算的最不利点为()。 A.截面上边缘“1”点 B.截面下边

题型:单项选择题

问题:

图中T形截面拉弯构件强度计算的最不利点为()。

A.截面上边缘“1”点

B.截面下边缘“2”点

C.截面中和轴处“3”点

D.可能是“1”点,也可能是“2”点

考点:自学考试工学自考钢结构自考题
题型:单项选择题

1. What will I need to take a Test?

You need a photo ID, your instructor’s name, a pencil or pen, a calculator, etc.

2. How will I know about time limits?

Students will be informed of any testing time limits, and notified when time is up.

3. If I have my books or backpack, does the Test Center have a place to store them while I’m testing?

Yes. Students will be asked to leave all books, backpacks, purses and any other personal items in a lockable storage room.

4. The only time I can take a test is during lunch. Can I eat my lunch while I am testing?

No food or drink are allowed in the Test Center.

5. I conduct business via a pager(寻呼机) or cell phone. Will I be allowed to use them in the Test Center?

No. all pagers and cell phones must be turned off before entering the Test Center. There are other students testing who may be distracted by these devices.

6. If I need to borrow more scratch paper(草稿纸) am I allowed to borrow from another student in the Test Center?

Ask the teacher and more material will be given. Talking is not permitted in the Test Center. You will give all scratch paper to the teacher at the end of the test.

7. If I start a test but don’t finish it, can I come back the next day to finish it?

If you have prior(在先的) arrangements with your instructor you may continue a test the next day. Students are expected to complete their test before closing time of the Test Center. Depending on the test, most tests will not be given within one hour of closing time.

小题1:What does the underlined word “notified” probably mean?

A.Noticed.

B.Told.

C.Questioned.

D.Asked.小题2: When you take a test in the Test Center, all of the following are forbidden EXCEPT _____.

A.to eat and drink

B.to use your cell phone

C.to leave your purse on the desk

D.to ask for more scratch paper小题3: If you don’t finish the test you ______.

A.must turn in the paper on time

B.should get help from your instructor

C.can continue it the next day by prior arrangement

D.can take the paper out of the center小题4:What would be the best title for the passage?

A.Frequently asked questions about the Test Center

B.Useful suggestions on different kinds of tests

C.General requirements for students to have tests

D.Brief introduction to the Test Center

题型:单项选择题

金属铜的晶胞是一个“面心立方体”(注:八个顶点和六个面分别有一个金属原子)。则金属铜平均每个晶胞中有的金属原子是[ ]

A.5

B.4

C.3

D.2

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安装锚杆外露长度露出螺母()

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熔化极混合气体保护焊的特点不包括()。

A.熔滴过渡稳定性好

B.电弧燃烧稳定

C.减少焊接缺陷

D.增大成本

题型:单项选择题

采区变电所有两台检漏继电器,共用一个辅助接地极()。

A.违章

B.合格

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