【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。
【单选题】Translate the sentence:"What type of room do you prefer?"
【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.
【判断题】Gestures should be big and showy.
【单选题】Which of the following should be avoided if you want to let the speaker know that you are listening?
B.
Verbal comments now and then.
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.