中学生网络课堂本课配套习题挑战模式1/5
以下情况中，铁块的质量发生变化的是（）
| A: 将它熔化成铁水 |
| B: 磨掉铁块一个角 |
| C: 把它轧成薄铁片 |
| D: 从地球运到月球 |
- 提示1：PHA+6LSo6YeP5piv54mp5L2T55qE5bGe5oCn77yM5Y+q5LiO5omA5ZCr54mp6LSo5aSa5bCR5pyJ5YWzPC9wPg==
- 提示2：PHA+6LSo6YeP5LiO54mp5L2T55qE5L2T56ev77yM5b2i54q277yM5L2N572u5ZKM54q25oCB5peg5YWzPC9wPg==
- 提示3：PHA+5YaN5o+Q56S65bCx5ZGK6K+J5L2g562U5qGI5LqGPC9wPg==
- 答案：Qg==
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
本课配套习题挑战模式2/5
下列哪一个是质量的单位（ ）
| A: N/kg |
| B: kg/m3 |
| C: kg |
| D: m/s |
- 提示1：PHA+ROmAiemhueiCr+WumuS4jeaYr+S6hjwvcD4=
- 提示2：PHA+QumAiemhueaYr+WvhuW6puWNleS9jTwvcD4=
- 提示3：PHA+QemAiemhueS4jeiupOivhu+8jOS9huaYr+aIkeWPr+S7peWRiuivieS9oO+8jOWug+aYr+mHjeWKm+WKoOmAn+W6pueahOWNleS9jeOAgjwvcD4=
- 答案：Qw==
PGRpdj7otKjph4/nmoTljZXkvY3mmK9tZ++8jGfvvIxrZ++8jHTvvIzlm73pmYXljZXkvY3mmK/ljYPlhYtn44CCPGJyPjwvZGl2Pg==
本课配套习题挑战模式3/5
2008年北京奥运会“祥云”火炬的质量约是985（ ）
| A: t |
| B: kg |
| C: g |
| D: mg |
- 提示1：PHA+5Lq65ou/552A54Gr54Ks6LeR77yM5omA5Lul6LSo6YeP5LiN6IO95q+U5Lq65aSn44CCPC9wPg==
- 提示2：PHA+5Lit5a2m55Sf57qmNTBrZ++8jOS4gOS4quiNr+eJh+e6pjMwMG1n44CCPC9wPg==
- 提示3：PHA+6IKv5a6a5LiN5pivdO+8jOS5n+S4jeiDveaYr2tn77yM5aSq5aSn5LqG44CCPC9wPg==
- 答案：Qw==
PGRpdj7pgInmi6nmiJHku6znhp/mgonnmoTlj4Lnhafnianlr7nlr7nmr5TvvIzkuK3lrabnlJ/nuqY1MGtn77yM54Gr54Ks5LiN6IO95aSn5LqO5LiA5Liq5Lq655qE6LSo6YeP77yM5omA5LulQULmjpLpmaTvvIzkuIDkuKroja/niYfnmoTotKjph4/nuqYzMDBtZ++8jOS4gOS4queBq+eCrOWPquacieS4ieS4quiNr+eJh+Wkp++8jOS4jeWkquWPr+iDve+8jOaKgOacr+i/m+atpeeahOS4jeiDveWmguatpOS5i+W/q+OAgjwvZGl2Pg==
本课配套习题挑战模式4/5
下列单位换算正确的是（ ）
| A: 1.32kg=1.32kg×1000=1320g |
| B: 1.32kg=1.32×1000kg=1320g |
| C: 1.32kg=1.32×1000g=1320g |
| D: 1.32kg=1.32×1000=1320g |
- 提示1：PHA+55u46YK75Y2V5L2N5LmL6Ze05o2i566X5YWz57O75pivMTAwMO+8mzxicj48L3A+
- 提示2：PHA+5aSn5Y2V5L2N5Li65YyW5bCP5Y2V5L2N77yM5pWw5YC86KaB5aKe5aSn77ybPGJyPjwvcD4=
- 提示3：PHA+6KaB5rOo5oSP5Lit6Ze055qE5o2i566X6L+H56iL77yM55yL55yL5Y2V5L2N5piv5ZCm57uf5LiA44CCPGJyPjwvcD4=
- 答案：Qw==
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
本课配套习题挑战模式5/5
| A: 一个人的质量 |
| B: 一只鸡的质量 |
| C: 一个大头针的质量 |
| D: 一个苹果的质量 |
- 提示1：IOWFiOaKinTmjaLmiJDmiJHku6znhp/mgonnmoRn5oiW6ICFa2c=
- 提示2：IDEuNcOXMTA8c3VwPi00PC9zdXA+dD0xNTBn
- 提示3：IDE1MGfnm7jlvZPkuo4z5Liq6bih6JuL
- 答案：RA==
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
