现存最早的ETF是美国证券交易所于1993年推出的标准普尔存托凭证。对
第1题
The electric fan does not work because of the ______ of service.
A.pause
B.break
C.interruption
D.breakdown
第2题
The electric fan does not work because of the ____of service.
A. pause
B. break
C. interruption
D. breakdown
第3题
Compared with the fan on older vehicles, the advantage of the electric fan is that ().
A.there is no frictional power loss
B.there is no fan belts
C.it is driven by the camshaft
D.both A and B
第4题
The electric fan is good ______ its color.
A.besides
B.except
C.except for
D.beside
第5题
They are going to have the serviceman ______ an electric fan in the office tomorrow.
A.install
B.to install
C.to be installed
D.installed
第6题
They are going to have the serviceman ______an electric fan in the office tomorrow.
A.install
B.to install
C.to be installed
D.installed
第7题
They are going to have the serviceman ______ an electric fan in the office tomorrow.
A.install
B.to install
C.to be installed
D.installed
第8题
They (are going to) (have) the servicemen (installed) an electric fan (in) the office tomorrow.
A.are going to
B.have
C.installed
D.in
第9题
They are going to have the serviceman (install) ______ an electric fan in the office tomorrow.
第10题
The electric fan has blown away the terrible smell in the hall, ______?
A.can't it
B.isn't it
C.hasn't it
D.doesn't it
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