Here is example,which shows that petroleum is a very important industrial materi

Here is        example,which shows that petroleum is a very important industrial material.

A.other                        B.another                            C.other one                   D.another one

试题答案

B

解析:

筛选答案即可推测句意：这是另一个例子。其后为which引导的非限定性定语从句。