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【单选题】
外桥接线适用于( )A.
线路较长，变压器不需要经常切换
B.
线路较短，变压器需要经常切换
C.
线路较长，变压器需要经常切换
D.
线路较短，变压器不需要经常切换
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【单选题】What is the Swedish government doing to promote pellet-fuelled heating?
A.
selling it to farmers
B.
exporting it to Europe
C.
building furnaces
D.
providing it cheaply
【简答题】完形填空。 The hardworking blacksmith John used to work all day in his shop and so hard working was he that at times he would make the sparks fly from his hammer. The son of Mr. Smith, a rich neighbor, _...
【单选题】The reason he was late for school was he had to send his mother to a hospital.
A.
which; that
B.
why; that
C.
for which; because
D.
what; why
【单选题】The pellet was washed twice with ( ).
A.
75% of ethanol
B.
an ethanol of 75%
C.
75% ethanol
D.
a 75% ethanol
【单选题】Great quantities of soil _________ down the hillside by the rain last night.
A.
was washed
B.
were washed
C.
wash
D.
washes
【单选题】It was he was ill that he did not go to Mount Tai with us in our summer vocation.
A.
because
B.
as
C.
since
D.
though
【单选题】The coat made of this kind cloth _____ well. I think it is worthy _______.
A.
washes; buying
B.
is washed; buying
C.
washes; to be bought
D.
is washed; to be bought
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