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
Mr. Wang _______drive to work, but now he _______there by bike to keep healthy.
A．used to; is used to going
B．used to; is used to go
C．was used to; is used to going
D．was used to; is used to go
活动后出现尿蛋白，平卧后消失（）
A.溢出性蛋白尿
B.肾小管性蛋白尿
C.急性肾小球肾炎
D.直立性蛋白尿
E.隐匿性肾炎
