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搜题
【单选题】
酶具有高度的催化效率,原因是( )A.
降低反应的能量水平
B.
升高反应的能量水平
C.
升高反应的活化能
D.
降低反应的活化能
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皮皮学刷刷变学霸
举一反三
【单选题】The most serious problem we are facing now is how to ______ all the pollution.
A.
get rid of
B.
get on with
C.
get through with
D.
get down to
【单选题】The number of workers in this factory _______ a lot this year. There were only a few workers in it two years ago.
A.
have increased
B.
has increased
C.
have risen
D.
has booked
【单选题】The question that puzzled them is ____ they can get rid of the air pollution in the area.
A.
how is it that
B.
that how
C.
that it is how
D.
how it is that
【单选题】The UN is trying to _____ the world ____ hunger.
A.
get rid of; by
B.
rid; of
C.
rid; from
D.
get rid; of
【单选题】The workers were resting with the machine ________.
A.
run
B.
running
C.
to run
D.
runs
【单选题】Those white workers were not (satisfied) with their wages, and when they were asked to work longer hours, it added fuel to the flames.选择能代替括号里的选项
A.
merry
B.
ideal
C.
happy
D.
delighted
【单选题】The question that puzzled them is ____ they can get rid of the air pollution in the area.
A.
how is it that
B.
that how
C.
what is it
D.
how it is that
【简答题】Relief workers were shocked by what they saw.
【简答题】According to the passage, the French workers were ______ .
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