作业人员在接到防护员通知后须及时下道避车，避车时应选择好地点，站在离线路（）米处，严禁在两正线间避车。
A、4
B、5
C、6
参考答案：B
— People should stop using their cars and use public transport.
— _____. The roads are too crowded. [ ]
A. Exactly
B. Seriously
C. Not really
D. Not likely
男性，35岁，体重60kg。双上肢、躯干、双臀、会阴部被硫酸烧伤。患者的烧伤面积为（）
A.25%
B.40%
C.50%
D.60%
E.30%
