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Which of the following gives a general idea of how the noise-killing system works? The noise-killing system is not yet popular
Which of the following gives a general idea of how the noise-killing system works? The noise-killing system is not yet popular
admin
2009-08-15
67
问题
Which of the following gives a general idea of how the noise-killing system works?
The noise-killing system is not yet popular mainly because ______.
选项
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
答案
C
解析
从文章最后一段最后一句But the carmakers haven’t decided if they will carry it into production because it would add several hundred dollars to the cost of their cars.得知。
转载请注明原文地址:https://kaotiyun.com/show/feyd777K
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
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公共英语二级笔试
公共英语(PETS)
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