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
肺通气显像仅吸入相异常,而平衡相基本正常,提示()
A.肺部感染
B.肺血管病变
C.气道病变
D.肺结核
E.胸腔积液
The residents in the neighborhood all ________ the government's decision to close the small dye factory.[ ]
A. deleted
B. identified
C. interrupted
D. applauded