题目

Lin Tao and Lily live in the same building. But he lives two floors ______ me. A. on          B. over         C. under        D. below 答案：D读图，判断下列四种叙述中正确的是 ①甲处为喷出岩，含有化石②乙处为侵入岩③甲可能是火山岩④乙可能是沉积岩A．①②B．②③C．③④D．①④