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【单选题】
延边三角形起动过程中,每相绕组所受到的电压的范围为()A.
小于△联结的线电压
B.
大于△联结的线电压
C.
大于Y联结的 线电压
D.
大于Y联结的 相电压
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【简答题】Wenn die Temperatur unter null Grad sinkt, friert ____.
【单选题】Color changes in chameleons (变色龙) seem to be caused by environmental temperature as well as by other external stimuli.
A.
have to
B.
appear to
C.
ought to
D.
used to
【单选题】There may be a solid core at the center of the Sun ______.
A.
because of the high temperature
B.
in spite of the great sight
C.
for the temperature is not high enough
D.
because the pressures are great
【单选题】______ You might expect the highest incidence of a heat stroke when the maximum temperature is 100 and humidity is 50%.
A.
T
B.
F
C.
NG
【单选题】组织要得到一支优秀的员工队伍,最突出的问题是( )。
A.
解决队伍结构中人员梯队问题
B.
解决员工思想教育问题
C.
解决员工教育投入问题
D.
解决组织文化培养问题
【单选题】An isotherm is ______.
A.
a line on a weather map connecting equal points of both temperature and pressure
B.
an instrument that measures the climatological effects of temperature
C.
a line connecting points of equal barometric pressure on a weather map
D.
a line connecting points of equal temperature on a weather map
【简答题】The difference between a liquid and a gas is obvious【46】______the conditions of temperature and pressure commonly found at the suce of the Earth. A liquid can be kept in an open container and fills...
【单选题】Among the rings of a piston the ______one is subjected to the greatest load and temperature.
A.
bottom
B.
middle
C.
top
D.
any position
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