叉车使用后,发动机冷却液处于高温、()状态。
A、高压
B、发动机
C、散热器盖
D、低温
参考答案:A
下列化肥中,属于复合肥料的是( )
A.NH4NO3
B.K2CO3
C.Ca3(PO4)2
D.(NH4)2HPO4
Unfortunately, his father died, _____ the family even worse off. [ ]
A. left
B. to leave
C. leaves
D. leaving