题目

My name is Chen Lan. My home is in Gulangyu. Where is Gulangyu, do you know? It is in Xiamen. It is near the sea (海). Gulangyu is a small place(地方), but it is very nice and clean. There are no cars, buses or bikes. People only walk. So it is very quiet (安静的). My house is in the center of Gulangyu. Behind my house there is a big old tree. My grandfather tells me the tree is very old. There are many birds in the tree. We call it a “bird tree”. My house is near the sea. The sea is big and blue. There are many fish in the sea. After school, I often go there and catch fish wi10．如图是在探究甲、乙两种物质质量跟体积关系时作出的图象，以下分析正确的是（　　）A．若V甲=V乙   则m甲＜m乙B．若m甲=m乙，则V甲＞V乙C．不同物质的质量跟体积的比值是不同的D．甲物质的质量跟体积的比值比乙物质小