焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。
参考答案：洗油沥青
—My grandma is ill, so I'm not going to the cinema with you.
—_____[ ]
A. It doesn't matter.
B. Are you going to look after her?
C. I'm sorry to hear that.
D. Don't worry.
Boot.ini文件的位置位于（）。
A.C盘根目录下
B.winnt目录下
C.winnt\system32目录下
D.D盘根目录下
