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【单选题】
()主要以债券为投资对象，对追求稳定收入的投资者具有较强的吸引力。A.
股票基金
B.
债券基金
C.
混合型基金
D.
开放式基金
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【单选题】Satellites can information which we could never get in any other way. [ ]
A.
bring up
B.
bring back
C.
take back
D.
take up
【简答题】bring back
【简答题】翻译下列短语并完成句子。 1. bring about ______ 2. bring along/on _____ 3. bring back _____ 4. bring down_____ 5. bring forth _____ 6. bring forward _____ 7. bring out _____ 8. bring to (oneself)_____ 9. brin...
【单选题】__________ 查看材料
A.
They bring him back to town， put a crown on his head， and make him king for three days.
B.
Some of the days people celebrate， however， are less serious.
C.
That is supposed to be Toothache Day.
D.
Then begins the world's biggest food fight.
E.
Some people have fun imagining new holidays.
F.
Jokes are supposed to be funny， but these jokes do not make everyone laugh.
【单选题】在地铁系统中,采用第三轨供电方式的电压为 ,采用接触网供电方式的电压为
A.
AC750V，DC1500V
B.
DC750V，DC1500V
C.
DC750V，AC1500V
D.
AC750V，AC1500V
【单选题】在地铁系统中,采用第三轨、接触网供电方式的电压分别为( )。
A.
AC750V、DC1500V
B.
DC750V、AC1500V
C.
DC750V、DC1500V
D.
AC750V、AC1500V
【单选题】在地铁系统中,采用第三轨、接触网供电方式的电压分别为( )。
A.
AC750V、AC 1500V
B.
DC750V、AC 1500V
C.
DC750V、DC 1500V
D.
AC 750V、DC 1500V
【单选题】在地铁系统中,采用第三轨供电方式的电压为 。 ( )
A.
AC750V,DC1500V
B.
DC750V,DC1500V
C.
DC750V,AC1500V
D.
AC750V,AC1500V
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