表达式3.6-5/2+1.2+5%2的值是______。
A．4.3
B．4.8
C．3.3
D．3.8
参考答案：D
As I know, there is __________ in this school.
A．no such student
B．not such a student
C．no such students
D．not such students
甩油罐的残液退至（）。
A、污油罐
B、重污油线
C、轻污油线
D、地沟
