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【单选题】
当缀条采用单角钢时，按轴心压杆验算其承载能力，但必须将设计强度按规范规定乘以折减系数，原因是( )。A.
式柱所给的剪是近似的
B.
缀条很重要，应提高其安全程度
C.
缀条破坏将引起绕虚轴的整体失稳
D.
单角钢缀条实际为偏心受压构件
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举一反三
【单选题】听力原文：M：Hi Jane．So glad to see you again． W：Likewise．I remember the last time we met was 4 months ago at Mickey's birthday party. How are you doing? Q：What do we know about the speakers? (17)
A.
They went to the same ceremony some time ago.
B.
They are discussing when to meet again.
C.
They don't know how to get to Mickey's home.
D.
They will go to Mickey's graduation ceremony.
【判断题】If you make eye contact with someone who is within 5 feet of you, you must acknowledge the person with a nod or a smile.
A.
正确
B.
错误
【单选题】听力原文：W: Hi, Professor Johnson. M: Hi, Anna. What can I do for you? W: Remember, I e-mailed you about getting the handouts from the class I missed the other day, and you said I could stop by and pick t...
A.
To get materials for a class she missed.
B.
To discuss an assignment she is working on.
C.
To ask a question about a video her class recently watched.
D.
To inform. the professor of changes in her schedule.
【单选题】There are certain ______when you must interrupt people who are in the middle of doing something.
A.
occasions
B.
conditions
C.
environments
D.
situations
【单选题】--- Hi, Lucy, have you seen the newspaper on the table? --- Oh, yes. I ____ it but I can’t remember where I put it.
A.
read
B.
would read
C.
am reading
D.
had read
【单选题】听力原文：W: Hi, Professor Johnson. M: Hi, Anna, What can I do for you? W: Remember 1 e-mailed you about getting the handouts from the class I missed the other day, and you said I could stop by and pick th...
A.
To get materials for a class she missed.
B.
To discuss an assignment she is working on.
C.
To ask a question about a video her class recently watched.
D.
To inform. the professor of changes in her schedule.
【单选题】听力原文：W: Pate! Hi, remember me? M: Mary. Mary Lamb. Oh, yes. I remember you. W: Yeah, we met at Bill' s party. Where did they first meet?
A.
At a ranch.
B.
At school.
C.
At a party.
D.
At a dance.
【单选题】听力原文：M: Hi, Jane. So glad to see you again. W: Likewise. I remember the last time we met was 5 months age at Mike' s birthday party. How are you doing? Q: What do we know about the speakers? (19)
A.
They don' t know how to get to Mike' s home.
B.
They are discussing when to meet again.
C.
They went to the same party some time ago.
D.
They will go to Mike' s birthday party.
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