某蔬菜基地把一批蔬菜按4:5:3的比批发给甲、乙、丙三个餐厅,丙餐厅比乙餐厅少批发40千克。这批蔬菜一共有多少千克?
40÷(-)=240(千克)
Five people won the“China's Creen Figure”award,a title to ordinary people for their
contributions to environmental protection. [ ]
A. being given
B.is given
C.given
D.was give
与纤维绳配套使用的嵌环是:()
A.圆形嵌环
B.心形嵌环
C.带螺栓的嵌环
D.直形嵌环