磷酸铵盐干粉灭火器可补救固体类物质的初起火灾,也可以补救金属燃烧火灾。
参考答案:错
I’d invite her ______ dinner at my house tomorrow.
A.have
B.having
C.has
D.to have
急性卡他性胃肠炎指胃肠黏膜表层的炎症。