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【判断题】
平面连杆机构中,可利用飞轮的惯性,使机构通过死点位置。A.
正确
B.
错误
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【单选题】高血压的定义为未服抗高血压药情况下
A.
收缩压＞140mmHg
B.
收缩压≥140mmHg和(或)舒张压≥90mmHg
C.
收缩压＞130mmHg，舒张压＞85mmHg
D.
收缩压＞120mmHg，舒张压＞80mmHg
E.
收缩压≥130mmHg
【简答题】润湿滞后(wetting hysteresis)
【单选题】All of us need ______.
A.
to feel needed and admired
B.
feeling needed and admired
C.
to feel being needed and admired
D.
to feel needing and admiring
【单选题】In all，6 000 companies are __________ in producing the parts that are needed for these aircraft．
A.
eoncemed
B.
recommended．
C.
involved
D.
offended
【单选题】All ______ is an adequate supply to meet the demand.
A.
needed
B.
the things needed
C.
that needed
D.
what is needed
【单选题】All is needed is a supply of oil.A．the thingB．thatC．whatD．which
A.
All ____is needed is a supply of oil. A．the thing
B.
that
C.
what
D.
which
【单选题】Construction is expanding all over China, no doubt many materials will be needed at a very big amount in future.
A.
China, no doubt many materials will be needed for a very big amount
B.
China, no doubt many materials will be needed in a very big amount
C.
China no doubt many materials will be needed in large amounts
D.
China no doubt many materials will be needed for large amounts
【单选题】All __________is a continuous supply of the basic necessities of life．A.which is needed###
A.
All __________is a continuous supply of the basic necessities of life． A.which is needed
B.
the thing needed
C.
for our needs
D.
that is needed
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