下载APP
举一反三
【单选题】The Fisherman and the bearOne fine day, an old man was fishing and caught nothing. Finally, he gave up and walked back along the shore to his shack（窝棚）. When he got close to the front door, he saw it ...
A.
It held the paw out over the water.
B.
The bear jumped and ran out of the door.
C.
He walked to the door quietly and looked inside.
D.
The bear was gone and had left six large fish for him.
E.
The bear often came to the old man's shack to get honey.
F.
Every time a fish jumped after his paw the bear hit it ashore.
【单选题】A类火灾指的是下列哪种火灾。（ ）
A.
可燃金属如钾、钠、镁、钛、锆、锂、铝镁合金等燃烧的火灾
B.
指甲、乙、丙类液体如汽油、煤油、柴油、甲醇、乙醚、丙酮等燃烧的火灾
C.
指带电物体燃烧的火灾
D.
指含碳固体可燃物如木材、棉、毛、麻、纸张等燃烧的火灾