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【单选题】
下列不属于固体表面物理化学现象的是()A.
晶体结构物质表面原子对称性与体相不同，发生了重构现象。
B.
晶体表面中化学成分与体相不同，发生偏析现象。
C.
比表面积大的粉体材料其吸附气体的能力强于比表面积小的粉体材料
D.
外来原子进入表面原子，与其形成化合
E.
以上均为固体表面物理化学现象
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【简答题】Could I pay by credit card?
【单选题】-- Could I pay by credit card? -- __________.
A.
Anywhere, please.
B.
Perhaps 10:00.
C.
Here you are.
D.
Certainly, sir.
【单选题】如图所示，简支梁上受各类外载。其中分布式外力作用在AB段，其集度为【图片】。梁上最大弯矩值为( )【图片】
A.
433/72
B.
361/72
C.
389/72
D.
397/72
【单选题】听力原文：W: I wanted so badly to be independent, and now I could pay my own way. M: But you have to be fed three meals a day! What does the woman mean? (18)
A.
he man is old enough to be independent.
B.
The man is still too young to be independent.
C.
The man never cooks for the family.
D.
The man should learn to be independent as rapidly as possible.
【单选题】听力原文：Would you like me to pay with a check or could I just put it on my credit card? (A) Sure, the total is $18.95. (B) I'll take care of that right away. (C) Either way you like is fine. (20)
A.
B.
C.
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