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【单选题】
20－35kV及以下的电气设备不停电的安全距离为（）。A.
0.60
B.
1.50
C.
1.00
D.
2.00
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举一反三
【单选题】______ care in hospitals should be given to those who are seriously ill.
A.
Extensive
B.
Extreme
C.
Generous
D.
Intensive
【单选题】Louis Brail didn't give up studying ________ he became blind by accident at the age of three.
A.
even though
B.
as though
C.
even
D.
if
【单选题】正常人心尖搏动的范围以直径计算为( )
A.
．0.5～1.0
B.
1.0～1.5cm
C.
C．1.5～2.0cm
D.
D．2.0～2.5cm
E.
E．2.5～3.0cm
【单选题】正常人心尖搏动的范围以直径计算为( )
A.
．0.5～1.0cm
B.
1.0～1.5cm
C.
C．1.5～2.0cm
D.
2.0～2.5cm
E.
2.5～3.0cm
【单选题】正常人心尖搏动的范围以直径计算为( )
A.
A．0.5～1.0cm
B.
B．1.0～1.5cm
C.
．1.5～2.0cm
D.
D．2.0～2.5cm
E.
E．2.5～3.0cm
【单选题】Louis Brail didn’t give up studying ________ he became blind by accident at the age of three.
A.
as though
B.
even though
C.
even
D.
if
【单选题】Louis Brail didn’t give up studying ________ he became blind by accident at the age of three.
A.
if
B.
even if
C.
though
D.
even
【单选题】(It is) (extremely) important (for) an engineer (to know) to use a computer.
A.
It is
B.
extremely
C.
for
D.
to know
【单选题】Choose the best answer to complete each of the following sentences. Louis Brail didn’t give up studying ________ he became blind by accident at the age of three.
A.
as though
B.
even though
C.
even
D.
if
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