题目

看图，选词填空。【1】He is a ________.He is _________ and _________.He has ______ hair.He has ________ eyes.【2】She is a _________.She is ________ and ________She has ________ hair.She has ________ eyes. 答案：【答案】【1】boytallstrongshortsmall【2】girlshortthinlongbig【解析】【1】略【2】略下列关于物质的性质和用途的说法不正确的是（　　）A．氧气被用作火箭的燃料，利用了氧气的可燃性B．碳单质用于冶炼金属，利用了碳单质的还原性C．稀有气体充入霓虹灯，是利用了稀有气体通电时能发出不同颜色的光D．二氧化碳用于灭火，既利用了它的物理性质、也利用了它的化学性质