The air filter is used in the engine to trap contaminants, yet provide a free flow of air into the engine. Air filters which are usually used in cars are made of paper element. These filters permit air to flow into the engine with little resistance.
A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Which of the following is NOT correct? ______
A.
In the 19th century, women could not vote.
B.
In the 19th century, women could not sign contracts.
C.
In the 19th century, women could choose their own husbands.