燃油中含有水分会很危险。(A)
A.Water in fuel is dangerous. B.The incidence of water in fuel is dangerous. C.It is very dangerous to have water in fuel.正确答案B
燃油中含有水分会很危险。(A)
A.Water in fuel is dangerous. B.The incidence of water in fuel is dangerous. C.It is very dangerous to have water in fuel.正确答案B