皮皮学，免费搜题
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【单选题】
泵是一种把机械能或其他能量转变为（）的水利机械。
A.
液体的位能、压能
B.
电能
C.
热能
D.
光能
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参考解析：
知识点：
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举一反三
【单选题】80586(Pentium)与486DX相比，其特点是( )。
A.
有浮点处理功能
B.
有Cache存储器
C.
内部数据总线为32位
D.
外部数据总线为64位
查看完整题目与答案
【单选题】Why did the man have a problem?
A.
Because he did not have a parking permit.
B.
Because he parked in a visitor's lot.
C.
Because he used a different car.
D.
Because he was not a student at the university.
查看完整题目与答案
【单选题】投资组合的收益率都不会低于所有单个资产中的最低收益率。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】The old man is quite able to take care of himself, he has seen the elephant. The underlined par
A.
125. The old man is quite able to take care of himself, he has seen the elephant. The underlined part means _____. A．The old man knows the elephant.
B.
The old man once saw the elephant.
C.
The old man can take care of the elephant.
D.
The old man is full of experience.
查看完整题目与答案
【单选题】The______ the doctor faced was whether he should tell the patient the truth.
A.
dilemma
B.
paradox
C.
junction
D.
conflict
查看完整题目与答案
【单选题】John shut everybody out of the kitchen_____he could prepare his grand surprise for the party.
A.
which
B.
when
C.
so that
D.
as if
查看完整题目与答案
【单选题】Which one is true about the man's experience?
A.
He is good at debating.
B.
Once he took a part time job as a student.
C.
He likes sticking to the same job.
D.
He knows something about advertising.
查看完整题目与答案
【单选题】During / At / For that year, he worked par-time for the students’ Union.
A.
During
B.
At
C.
For
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【单选题】虽然资产之间的相关系数有正有负,投资组合的收益率都不会低于所有单个资产中的最低收益率,投资组合的风险却会高于所有单个资产中的最高风险。( )
A.
正确
B.
错误
查看完整题目与答案
【简答题】无论是两项资产还是多项资产构成的投资组合，投资组合的收益率都不会低于所有单个资产中的最低收益率，投资组合的风险也不会高于所有单个资产中的最高风险。()
查看完整题目与答案
相关题目：
【单选题】80586(Pentium)与486DX相比，其特点是( )。
A.
有浮点处理功能
B.
有Cache存储器
C.
内部数据总线为32位
D.
外部数据总线为64位
查看完整题目与答案
【单选题】Why did the man have a problem?
A.
Because he did not have a parking permit.
B.
Because he parked in a visitor's lot.
C.
Because he used a different car.
D.
Because he was not a student at the university.
查看完整题目与答案
【单选题】投资组合的收益率都不会低于所有单个资产中的最低收益率。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】The old man is quite able to take care of himself, he has seen the elephant. The underlined par
A.
125. The old man is quite able to take care of himself, he has seen the elephant. The underlined part means _____. A．The old man knows the elephant.
B.
The old man once saw the elephant.
C.
The old man can take care of the elephant.
D.
The old man is full of experience.
查看完整题目与答案
【单选题】The______ the doctor faced was whether he should tell the patient the truth.
A.
dilemma
B.
paradox
C.
junction
D.
conflict
查看完整题目与答案
【单选题】John shut everybody out of the kitchen_____he could prepare his grand surprise for the party.
A.
which
B.
when
C.
so that
D.
as if
查看完整题目与答案
【单选题】Which one is true about the man's experience?
A.
He is good at debating.
B.
Once he took a part time job as a student.
C.
He likes sticking to the same job.
D.
He knows something about advertising.
查看完整题目与答案
【单选题】During / At / For that year, he worked par-time for the students’ Union.
A.
During
B.
At
C.
For
查看完整题目与答案
【单选题】虽然资产之间的相关系数有正有负,投资组合的收益率都不会低于所有单个资产中的最低收益率,投资组合的风险却会高于所有单个资产中的最高风险。( )
A.
正确
B.
错误
查看完整题目与答案
【简答题】无论是两项资产还是多项资产构成的投资组合，投资组合的收益率都不会低于所有单个资产中的最低收益率，投资组合的风险也不会高于所有单个资产中的最高风险。()
查看完整题目与答案