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【单选题】
下列哪一说法是错误的?
A.
寡头垄断市场与垄断竞争市场之间有时并没有清晰的界限,从而在现实经济社会中,有的行业似乎属于寡头垄断市场,又似乎属于垄断竞争市场.
B.
垄断竞争市场有可能发展成为寡头垄断市场.
C.
完全垄断市场有可能发展成为寡头垄断市场.
D.
寡头垄断市场发展成为完全垄断市场的可能性则是不存在的.
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举一反三
【单选题】将十进制数215转换成十六进制数是().
A.
137
B.
C6
C.
D7
D.
EA
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【单选题】Professor Williams keeps telling his students that the future _____ to the well-educated.
A.
belongs
B.
is belonged
C.
is belonging
D.
will be belonged
查看完整题目与答案
【单选题】听力原文：W: John, are you doing research for Professor Williams this semester? M: Actually, I'm working as his teaching assistant. Q: What does the man mean? (18)
A.
He needs another job as research assistant.
B.
He asked Professor Williams for assistance.
C.
He assists Professor Williams with his teaching.
D.
He is doing research with Professor Williams.
查看完整题目与答案
【单选题】听力原文：W: Since Professor Williams is willing to give us a three-day extension to finish the project, maybe he'll also give us a few more days for this assignment. M: Betty, let's not push our luck! OK?...
A.
They shouldn't make too many requests.
B.
They should ask for further extension.
C.
They should finish the project as scheduled.
D.
They should not try their luck.
查看完整题目与答案
【单选题】听力原文：M: May I see Dean Williams please? W: Dean Williams won't be in the office this afternoon. I'm an assistant dean, perhaps I can help you. M: I need an extension for a paper, and my professor said...
A.
Dean Williams.
B.
Professor Brown.
C.
An assistant dean.
D.
A student.
查看完整题目与答案
【单选题】新加坡,日本,澳大利亚的象征分别是( )。
A.
圣淘沙岛，桂离宫，大堡礁
B.
鱼尾狮塑像，富士山，悉尼歌剧院
C.
鱼尾狮塑像，樱花，黄金海岸
D.
帕提亚，济州岛，大堡礁
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【单选题】听力原文：W: John, are you doing research for Professor Williams this semester? M: Actually, I am working as his teaching assistant. W: You are lucky. It's a position where you can learn much from the prof...
A.
He needs another job as research assistant.
B.
He asked Professor Williams for assistance.
C.
He assists Professor Williams with his teaching.
D.
He is doing research with Professor Williams.
查看完整题目与答案
【单选题】Which of the following views is consistent with what the developmentalists hold?
A.
Children are most influenced by their peers than by their parents.
B.
Twins are quite different if they are reared in two separate families.
C.
Identical twins reared in the same home are different in personality.
D.
Nurture has a less significant effect on children's personality development.
查看完整题目与答案
【简答题】引起植物非侵染病害的不适宜环境因素主要是
查看完整题目与答案
【单选题】Woman: John, are you doing research for Professor Williams this semester? Man: Actually, Im working as his teaching assistant. Question: What does the man mean?
A.
He needs another job as research assistant.
B.
He asked Professor Williams for assistance.
C.
He assists Professor Williams with his teaching.
D.
He is doing research with Professor Williams.
查看完整题目与答案
相关题目：
【单选题】将十进制数215转换成十六进制数是().
A.
137
B.
C6
C.
D7
D.
EA
查看完整题目与答案
【单选题】Professor Williams keeps telling his students that the future _____ to the well-educated.
A.
belongs
B.
is belonged
C.
is belonging
D.
will be belonged
查看完整题目与答案
【单选题】听力原文：W: John, are you doing research for Professor Williams this semester? M: Actually, I'm working as his teaching assistant. Q: What does the man mean? (18)
A.
He needs another job as research assistant.
B.
He asked Professor Williams for assistance.
C.
He assists Professor Williams with his teaching.
D.
He is doing research with Professor Williams.
查看完整题目与答案
【单选题】听力原文：W: Since Professor Williams is willing to give us a three-day extension to finish the project, maybe he'll also give us a few more days for this assignment. M: Betty, let's not push our luck! OK?...
A.
They shouldn't make too many requests.
B.
They should ask for further extension.
C.
They should finish the project as scheduled.
D.
They should not try their luck.
查看完整题目与答案
【单选题】听力原文：M: May I see Dean Williams please? W: Dean Williams won't be in the office this afternoon. I'm an assistant dean, perhaps I can help you. M: I need an extension for a paper, and my professor said...
A.
Dean Williams.
B.
Professor Brown.
C.
An assistant dean.
D.
A student.
查看完整题目与答案
【单选题】新加坡,日本,澳大利亚的象征分别是( )。
A.
圣淘沙岛，桂离宫，大堡礁
B.
鱼尾狮塑像，富士山，悉尼歌剧院
C.
鱼尾狮塑像，樱花，黄金海岸
D.
帕提亚，济州岛，大堡礁
查看完整题目与答案
【单选题】听力原文：W: John, are you doing research for Professor Williams this semester? M: Actually, I am working as his teaching assistant. W: You are lucky. It's a position where you can learn much from the prof...
A.
He needs another job as research assistant.
B.
He asked Professor Williams for assistance.
C.
He assists Professor Williams with his teaching.
D.
He is doing research with Professor Williams.
查看完整题目与答案
【单选题】Which of the following views is consistent with what the developmentalists hold?
A.
Children are most influenced by their peers than by their parents.
B.
Twins are quite different if they are reared in two separate families.
C.
Identical twins reared in the same home are different in personality.
D.
Nurture has a less significant effect on children's personality development.
查看完整题目与答案
【简答题】引起植物非侵染病害的不适宜环境因素主要是
查看完整题目与答案
【单选题】Woman: John, are you doing research for Professor Williams this semester? Man: Actually, Im working as his teaching assistant. Question: What does the man mean?
A.
He needs another job as research assistant.
B.
He asked Professor Williams for assistance.
C.
He assists Professor Williams with his teaching.
D.
He is doing research with Professor Williams.
查看完整题目与答案