更多"A sudden noise of a fireengine made"的相关试题:
[单项选择]A sudden noise of a fire-engine made him()to the door.
A. hurrying
B. hurried
C. hurry
D. to hurry
[单项选择]Diesel engine mufflers accomplish noise reduction by ()
A. reducing exhaust gas velocity
B. increasing the frequency of gas vibration
C. the use of long head pipes
D. the use of zinc electrodes
[单项选择]I could not persuade him to accept it,()make him see the importance of it.
A. if only I could not
B. or I could not
C. not more than I could
D. nor could I
[单项选择]Noise in a refrigeration compressor can be caused by ().
A. worn bearings and piston pins
B. slugging due to flooding back
C. too much oil in circulation
D. All of the above
[单项选择]I can hear the noise from cars()
A. in night
B. at night
C. at evening
[单项选择]The terrible noise is()me mad.
A. turning
B. setting
C. driving
D. putting
[单项选择]A loud clicking noise from the valve compartment of an operating diesel engine would indicate()
A. worn valve seats
B. worn main bearing
C. excessive valve clearance
D. weak rocker arm springs
[单项选择]Which signal and noise values will result in the best phone communication with an access point?()
A. signal strength 46dBm, noise level 95dBm
B. signal strength 74dBm, noise level 94dBm
C. signal strength 68dBm, noise level 79dBm
D. signal strength 50dBm, noise level 56dBm
[单项选择]Diesel engine exhaust noise can be reduced in an exhaust muffler by ()
A. changing the direction of exhaust gas flow
B. increasing the exhaust gas velocity
C. changing the exhaust gas weight
D. increasing the exhaust gas static pressure
[单项选择]Hearing a strong noise, () at once.
A. the engine stopped
B. the engine was stopped
C. he stopped the engine
D. he had stopped the engine
[单项选择]A loud noise () my attention from cooking and everything was burnt.
A. divided
B. diverted
C. focused
D. separated
[单项选择]If you heard a ‘crackling’ noise in centrifugal pump, the most probable cause of the problem would be()
A. insufficient speed
B. cavitation
C. excess discharge pressure
D. excessive net positive suction head B
[单项选择]Hearing a()noise in the backyard, Pamela went there to have a look.
A. cracking
B. crack
C. cracked
D. cracker
[单项选择]Noise贴图中的Phase值做什么用()。
A. 用于控制噪波的大小
B. 用于控制噪波的密度
C. 用于控制噪波的两个颜色的比例分布
D. 相位值主要用于动画
[单项选择]The noise of the traffic()Paul from his work.
A. prevented
B. distracted
C. angered
D. upset
[单项选择]Such problem ()air, water, and noise pollutions are becoming more and more serious in some big cities.
A. like
B. as
C. of
D. about
[单项选择]The noise was so faint that you had to()your ears to hear it.
A. stir
B. strengthen
C. strain
D. stride
[填空题]OSNR英文全称Optical Signal-Noise Ratio,中文释义()。
[单项选择]The noise was caused by a dog()a cat through the garden.
A. chasing
B. following
C. catching
D. fighting