2. 外语
  3. Which of the following gives a general idea of how the noise-killing system works? Besides its main use the noise-killing syste

Which of the following gives a general idea of how the noise-killing system works? Besides its main use the noise-killing syste

admin2009-08-15  54
问题 Which of the following gives a general idea of how the noise-killing system works?
Besides its main use the noise-killing system can ______.
选项 A、make a car lighter
B、make a car quieter
C、reduce the cost of a silencer
D、improve the performance of a silencer
答案A
解析 通过文章第四段Another good thing about the use of noise-killing systems is that it saves the need for a silencer；this not only reduces the weight of a car...得知。
转载请注明原文地址:https://kaotiyun.com/show/5eyd777K
本试题收录于： 公共英语二级笔试题库公共英语（PETS）分类
0

公共英语二级笔试

公共英语（PETS）

相关试题推荐
随机试题
最新回复(0)