入境的车辆，包括机动车和非机动车，不论是否来自动植物疫区，均在入境口岸由动植物检疫机构作防疫消毒处理。( )
参考答案：对
—Look! The tree is growing well. When _____?
—Three years ago.[ ]
A. was it planted
B. did it plant
C. will it be planted
D. is it planted
在禁火区内动火属于（）动火
A、一级
B、二级
C、三级
D、特级
