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【单选题】
一阶电路中时间常数越大,动态过程持续的时间 。A.
越短
B.
越长
C.
不变
D.
不定
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举一反三
【单选题】关于新生儿颅内出血的护理措施应除外
A.
经常翻身,防止肺淤血
B.
保持安静,减少噪声
C.
头肩部抬高15°~ 30°,以减轻脑水肿
D.
注意保暖,治疗护理尽量集中进行
E.
护理操作轻、稳、准
【单选题】A large horizontal axis wind turbine operating at the design wind speed will take about half the energy from the wind. Why can it not take all the energy from the wind?
A.
Most of the air escapes through the space between the blades
B.
Some of the wind bounces back off the blades and is unable to pass through the machine
C.
The wind must be left with enough kinetic energy to exit the turbine
D.
The wind turbine has the same thermodynamic efficiency as a combustion engines
【简答题】to protect soil from wind and water
【简答题】Wind speeds generally fall the further you are from the ______.
【单选题】Most memory researchers agree that our brains record—and remember at some level—everything that happens to us.
A.
Y
B.
N
C.
NG
【单选题】We should try our best______the wind from_____the earth away.
A.
to stop; blow
B.
stop; blowing
C.
to stop; blowing
D.
stop; to blow
【单选题】关于新生儿颅内出血的护理措施应除外(
A.
保持安静，减少噪音
B.
头肩部抬高15～30 度，以减轻脑水肿
C.
注意保暖，治疗护理尽量集中进行
D.
护理操作轻、稳、准
E.
经常翻身，防止肺淤血
【单选题】The velocity of the apparent wind can be more than the true wind，and come from the same direction，if certain conditions are present．One condition is that the ______．
A.
Ship's speed must be less than the true wind velocity
B.
True wind must be from dead astern
C.
True wind velocity must be faster than the ship's speed
D.
True wind must be from dead ahead
【单选题】听力原文：What is the relationship between John and Hu most probably? (25)
A.
Colleagues.
B.
Tutor and student
C.
Classmates.
D.
Father and son.
【单选题】SHIFT OF WIND DIRECTION IN AN ANTICLOCKWISE MANNER, FOR EXAMPLE FROM NORTH TO WEST ( OPPOSITE OF VEERING ) defines ______.
A.
Backing (of wind)
B.
Veering (of wind)
C.
Shifting of wind
D.
altering of wind
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