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【单选题】
焊接的局限性是（）。A.
用焊接方法加工的结构易产生较大的变形和残余应力，从而影响结构的承载能力、加工精度和尺寸稳定性
B.
焊缝与焊件交界处产生应力集中，对结构的疲劳断裂有较大的影响
C.
焊接接头中的缺陷会降低接头的强度，引起应力集中损坏焊缝的致密性，是破坏结构的主要原因
D.
以上都对
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【简答题】What is the better way of staying away from the cold winter days? Come out to our Hall Markets in the beautiful countryside, full of color, fun, music and delicious food! With over 350 stalls ( 摊位 ) s...
【单选题】Paragraph 3: Question What does the author say about the critics’ comments on a book and his own recommended books?
A.
According to the author, the reader may be affected by critics’ comments on books. In his opinion, the reader should read a book if the book itself interests others. As to his own recommended books, the author says that they will be of no service to the reader if he/she does not enjoy them. Both cases conform to the thematic statement at the beginning of the essay.
B.
According to the author, the reader should not be affected by critics’ comments on books. In his opinion, the reader should not read a book unless the book itself interests him/her. As to his own recommended books, the author says that they will be of no service to the reader if he/she does not enjoy them. Both cases conform to the thematic statement at the beginning of the essay.
C.
According to the author, the reader should be affected by critics’ comments on books. In his opinion, the reader should read a book if the book interests others. As to his own recommended books, the author says that they will be of no service to the reader if he/she does not enjoy them. Both cases conform to the thematic statement at the beginning of the essay.
【单选题】Listen to the short conversation and choose the best answer to the question What does the man think of his job?
A.
The job is hard especially in summer
B.
The job involves a lot of difficulties
C.
The job is challenging but rewarding
D.
The job is inviting only in terms of its pay
【单选题】71--75 There were smiling children all the way. Charily they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and c...
A.
adventurous
B.
pleasant
C.
exciting
D.
dull
【单选题】Listen to the short conversation and choose the best answer to the question What does the woman advise the to do?
A.
go to graduate school
B.
study career development
C.
pursue something abstract
D.
work on theoretical mathematics
【简答题】If you found yourself in a cocktail bar with a Neanderthal man, what would he say? A good conversation is one of the great joys of being human, but it is not clear just how far back in the hominid l i...
【单选题】Paragraph 3: Question What does the author imply when he says “... he did not smile until I asked him what he was doing”?
A.
The implication is that ordinary people truly believed in what he was doing and performed the whole thing seriously.
B.
The implication is that the learned professor didn't believe in what he was doing and performed the whole thing seriously.
C.
The implication is that the learned professor truly believed in what he was doing and performed the whole thing seriously.
【单选题】p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'; color: #454545} What is the best way to present your information?
A.
A handout of the materials.
B.
A white board or flip charts.
C.
Multimedia tools like PowerPoint or Keynote.
D.
Any option of the above, depending on the situation.
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