题目

题型：不详难度：来源：

If you happen to see the process of cooking in a restaurant, you might see the cook using rubbish oil, which is a common _____ in China nowadays.

A．sense

B．rule

C．practice

D．activity

答案

A

解析

考查词义辨析，sense意识，rule规则，practice实践，activity活动，a common sense 常识，为固定短语，故选A。