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【简答题】
请查阅文献综述 均催化、杂多酸催化、分子筛催化、固体超强催化、不对称合成催化、电解有机合成、光有机合成、微波促进技术、超临界流体、离子液体的发展状况及发展趋势。请每位学生选一项技术内容,作为大作业。按照: 1)概念 :(包括:定义及分类); 2)研究内容; 3)应用概况; 4)发展趋势 5)列出 5-10篇参考文献。 写 3000字 的文献报告。
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举一反三
【单选题】Suppose there are a large number of men who used to work or seek work but now no longer do either. Other things the same, this makes
A.
the number of people unemployed rise but does not change the labor force
B.
the number of people unemployed rise but makes the labor force fall
C.
both the number of people unemployed and the labor force fall
D.
the number of people unemployed fall but does not change the labor force
【单选题】Jackie says that when she was talking to Amy, "a friend of hers showed up." Who is she talking about?
A.
a friend of Amy's from journalism class
B.
a friend of Jackie's
C.
Talia
【单选题】When Amy says, "It doesn't look good," what does she mean?
A.
We don't have any more time to investigate.
B.
The competition already knows the story.
C.
The bank statement shows that Nick is probably guilty.
【简答题】When Amy says," ," she means "Bargain with the salesperson."
【单选题】Talia says to Amy, "You've done your homework, haven't you?“ She's asking
A.
if Amy is prepared for the class
B.
if Amy has helped Jackie with the assignment for her acting class
C.
if Amy knows enough about Jackie to talk to her for a few minutes
【单选题】people were found after the Wenchuang earthquake.
A.
A number of; died
B.
The number of; died
C.
A number of; dead
D.
The number of; dead
【简答题】Check the things Amy says about the U.S.
【简答题】Suppose non-zero real number a and b satisfy ab=a-b, then b/a+a/b-ab= ____. (英汉小词典:satisfy满足)
【单选题】__________ sweaters look the same.
A.
Amy and Kate
B.
Amy and Kate’s
C.
Amy’s and Kate
D.
Amy’s and Kate’s
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