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【单选题】
高速公路和具干线功能的一级公路的设计交通量应按()年预测。
A.
10
B.
15
C.
20
D.
25
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举一反三
【单选题】The viruses can cause all the following damages EXCEPT ______.
A.
low speed of the computer's functions
B.
ruin of the normal programs
C.
lack of information storage
D.
loss of all the information stored in the computers
【单选题】The most common source of excitation for synchronous motors is a/an _____.
A.
low voltage battery
B.
motor attenuator set
C.
DC exciter generator
D.
AC supply
【单选题】11552
A.
51212
B.
2122
C.
1215
D.
1114
【单选题】According to the passage, the tram way and multistory parking lots are ______.
A.
low in cost
B.
cheap to use
C.
dismissed by critics
D.
ineffective
【单选题】Which of the following is NOT the result of laboratory experiments?
A.
Low concentrations
B.
Fall in lung function
C.
Irritability of the lungs
D.
Airway inflammation
【单选题】患者,女性,27岁,上唇疖挤压后出现寒战、高热、头痛、昏迷。护士应首先考虑为
A.
感染性休克
B.
疖病
C.
脓毒血症
D.
蜂窝织炎
E.
海绵状静脉窦炎
【单选题】Which of the following is not mentioned as a possible cause of a trade imbalance?
A.
Low labor and material costs in Asian countries.
B.
A lack of natural resources.
C.
An underdeveloped industrial base.
D.
The high cost of exported items.
【单选题】下列哪个不是地表水采样器
A.
水桶 瓶子
B.
单层采水器
C.
急救采水器
D.
聚乙烯塑料桶
【单选题】A smoking exhaust from an operating diesel engine could be caused by( ).
A.
low sulfur content in the fuel
B.
a loose injector inlet connection
C.
late fuel injection
D.
high injection pressure
【单选题】Overspeed of the diesel engine driving an electric generator could cause ______.
A.
low voltage trip
B.
reverse power trip
C.
damage to windings
D.
excessive exhaust temperatures
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