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【单选题】
How many ________ are there in your school ? [ ]A.
class
B.
classes
C.
teacher
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举一反三
【单选题】Infants' ticket fare in domestic flights is ________ of the normal fare.
A.
free
B.
20%
C.
50%
D.
10%
【单选题】Infants’ticket fare in domestic flights is ________ of the normal fare.
A.
half
B.
10%
C.
20%
D.
free
【单选题】During the cardiac cycle of a normal healthy young :
A.
During the initial stage of ventricular contraction the volume of the ventricle does not change.
B.
During ventricular diastole the pressure in the left ventricle is close to 80 mm Hg (10.6 kPa).
C.
During ventricular systole, all the blood in the ventricles is ejected.
D.
At the end of ejection, the blood pressure reached the highest level.
【单选题】Kate was not sure_______.
A.
that she should go through the third gate
B.
if she should go through the third gate or not
C.
which gate should she go through
D.
which gate she should go through
【单选题】Infants’ ticket fare in domestic flights is ________ of the normal fare.
A.
10%
B.
50%
C.
20%
D.
free
【单选题】Kate was not sure _____. [ ]
A.
that she should go through the third gate
B.
if she should go through the third gate or not
C.
which gate should she go
D.
which gate she should go through
【单选题】The number of WBC in normal ’ s blood is
A.
(3.5 ～ 5.0)×10 12 个 /L
B.
(3.5 ～ 5.0)×10 12 个 /ml
C.
(4.0 ～ 10)×10 9 /L
D.
(4.0 ～ 10)×10 9 /μL
E.
(0.4 ～ 1.0)×10 12 /L
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