【单选题】Christopher is not married yet: he is still a【36】. He is interested【37】football, which is an exciting【38】and enjoys【39】to watch a football【40】. So most winter Saturday afternoons he puts on his old ra...
【多选题】在采用净重计重时,计算包装的重量的方法有( )。
【单选题】—— Is he still working? ——Yes,he ____ now and he _____ yet.
A.
is still working; hasn’t finished
【简答题】临床常见的I型超敏反应性疾病有:__________;__________;__________;__________。
【单选题】以买卖双方事先协商约定的包装重量为皮重,这被称为( )。
【多选题】出口货物采用净重计算重量时,计算包装重量的方法有:( )