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【判断题】
柱塞泵的柱塞为奇数时，其流量脉动率比为相邻偶数时要小。A.
正确
B.
错误
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举一反三
【单选题】It is essential that all the details in this case ______ first.
A.
is investigated
B.
was investigated
C.
be investigated
D.
shall be investigated
【简答题】You are an audit senior of Hessonite & Co and are in the process of reviewing the inventory system documentation for your audit , Lemon Quartz Co (Quartz) which manufactures computer equipment. ...
【单选题】The patent officer ______ with my file explained to me that a plant variety is not a/an _______ invention as it is a result of adjusting growth scientifically.
A.
dealing; abrupt
B.
dealt; innocent
C.
deals; practical
D.
dealing; valid
【单选题】It was remarkable of man to invent the wheel because _______．
A.
it led to many other inventions
B.
man had no use for it then
C.
there were no wheels in nature
D.
all of the above
【简答题】某男性患者肠梗阻手术后2天，出现乏力、呼吸困难、心律不齐、心动过速、腹胀及恶心、呕吐，血钾3．0mmol／L。其引起问题的主要原因是A、高钾血症 B、低钾血症 C、低钠血症 D、代谢性酸中毒 E、代谢性碱中毒 该病人心电图可表现为A、T波高而尖，QRS波群增宽 B、T波倒置，ST段抬高 C、T波低平，QRS波群增宽 D、T波低平，QT间期缩短，ST段下降 E、T波低平，QT间期延长，ST段下降 该...
【单选题】The officials called for an immediate ______ to determine the cause of the accident.
A.
investigation
B.
preparation
C.
recognition
D.
observation
【单选题】The accounting equation shows the relationship among ______.
A.
assets, liabilities and investor's yield
B.
assets, liabilities and owner's equity
C.
capital, liabilities and profits
D.
capital, costs and profits
【单选题】From the passage we get the impression that______.
A.
an invention will not benefit the inventor unless it is reduced to commercial practice
B.
patent experts often recommend patents to others by conducting a search through dead patents
C.
an old patent is more expensive than a new one
D.
products are actually inventions which were made a long time ago
【单选题】We explored the possibility of closer trade links at the conference.
A.
rejected
B.
investigated
C.
proposed
D.
postponed
【单选题】低钾血症患者心电图出现T波低平、增宽主要与下列哪项有关。
A.
静息电位绝对值减小(上移)
B.
0期去极化速度减慢
C.
1期复极化速度减慢
D.
2期复极化速度减慢
E.
3期复极化速度减慢
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