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【单选题】
按钢结构设计规范规定，实腹式轴心受压构件整体稳定性的公式N/φA≤f的物理意义是 （ ）。A.
构件截面上的平均应力不超过钢材抗压强度设计值
B.
构件截面上最大应力不超过钢材强度设计值
C.
构件轴心压力设计值不超过结件稳定极限承载力设计值
D.
构件截面上的平均应力不超过临界应力设计值
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【简答题】缩聚反应大多呈可逆条件下的动力学,要达到高分子量,副产物要尽可能除尽,工业上采用____、_____的方法。
【单选题】The rules of using gestures include all of the following except that the gestures you make__________.
A.
should appear natural and spontaneous
B.
should be as funny as possible
C.
help clarify or reinforce your ideas
D.
should be suited to the audience and the occasion
【单选题】在均质厚层黏土地基中，有两个方形基础，其底面积和基底压力均相同，甲基础埋深大于乙基础，如不考虑其他因素的影响，则下述对两个基础沉降的说法中（）是正确的。
A.
甲乙两基础沉降量相等
B.
甲基础沉降量大于乙基础沉降量
C.
甲基础沉降小于乙基础沉降
D.
条件不充分，无法判断
【单选题】Translate the sentence:"What type of room do you prefer?"
A.
我可以把行李箱放这里吗？
B.
您需要什么类型的房间？
C.
女士，这是你的卡。
D.
请问您的房间号是多少？
【简答题】Where do people usually meet their friends in England?
【多选题】Jimmy was practicing a speech with his friends. He was told that his gestures were not appropriate. Which of the following behavior of Jimmy should be avoided to make good gestures in a speech?
A.
Putting his hand in and out of pocket frequently.
B.
Waving his two hands high above his head.
C.
Making gestures just in front of his face.
D.
Giving a gesture while emphasizing something.
【单选题】Which of the following should be avoided if you want to let the speaker know that you are listening?
A.
Occasional gestures.
B.
Verbal comments now and then.
C.
A positive posture.
D.
Interruption of the speaker.
【多选题】Jimmy was practicing a speech with his friends. He was told that his gestures were not appropriate. Which of the following behavior of Jimmy should be avoided to make good gestures in a speech?
A.
put his hand in and out of pocket frequently.
B.
wave his two hands high above his head.
C.
make gestures just in front of his face.
D.
give a gesture while emphasizing something.
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