题目

小丽同学研究某种物质的质量与其体积的关系，下表是她在实验中记录的实验数据。请根据表格中的数据归纳出这种物质的质量和体积的关系： __________。 答案：【答案】【解析】根据表格中数据可以得出质量与体积的比值为固定不变，所以可以归纳得出物质的质量m和体积V的关系为。因此，本题正确答案是： Name have／has don't（doesn't）have Paul a baseball, a soccer ball a tennis racket Gina a backpack，a watch a basebaIl bat Jim a basketball，a TV a pair of baseball gloves（f套） Kate an alarm clock a watch，a ball Tommy all English book，CDs a video cassette 请根据表格提供的信息，选择最佳答案。 1．Gina has        , but she doesn't have        ． A．a watch; a ball                           B．a clock; a watch C．a clock; a ball                         D．a watch; a baseball bat 2．Kate has        , but she doesn't have        ． A．a watch; a ball                          B．a ball; a clock C．a book; CDs                          D．a clock; a watch 3．Paul and Jim have        ． A．books             B．CDs              C．balls                 D．tennis rackets 4．Tommy has a         and some        ． A．watch; balls                                            B．book; CDs C．baseball; CDs                                            D．video cassette; books 5．Kate doesn't have        ．        A．a watch           B．an alarm clock       C．a book                D．CDs