更多"Besides its main use the noise kill"的相关试题:
[单项选择]Besides its main use the noise-killing system can ______.
A. make a car lighter
B. make a car quieter
C. reduce the cost of a silencer
D. improve the performance of a silencer
[单项选择]Loud noise can be annoying.
A. hateful
B. painful
C. horrifying
D. irritating
[单项选择]The children are making so much noise that I can't hear ______ he is saying.
[单项选择]After noise is generated, what can be done to reduce human exposure to noise according to the second paragraph
A. Replacing noisy products.
B. Moving people out of the noisy place.
C. Setting up laws to keep from getting worse.
D. Using sources to reduce noise.
[单项选择]The noise-killing system is net yet popular mainly because______.
A. it is still being tried out
B. drivers still have their doubts
C. it increases the cost of car production
D. carmakers are not sure if it is necessary
[单项选择]The noise-killing system is not yet popular mainly because ______.
A. it is still being tried out
B. drivers still have their doubts
C. it increases the cost of car production
D. carmakers are not sure if it is necessary