中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.实验时，如果没有说明用量，液体药品一般取
| A: 1-2mL |
| B: 3-4mL |
| C: 5mL |
| D: 10mL |
一次做对，真牛！
+5奖励规则>
- 提示1：5aaC5rKh5pyJ5oyH5piO6I2v5ZOB55So6YeP77yM5bqU6K+l5Y+W5bCR6YeP77yM5ray5L2T5bqU6K+l5Y+WMS0y5ru0566h77yM57qmMS0ybUzljbPlj6/jgII=
- 答案：QQ==
5a6e6aqM5pe26KaB5Lil5qC85oyJ5a6e6aqM6KeE5a6a55qE55So6YeP5Y+W55So6I2v5ZOB77yM5aaC5rKh5pyJ6K+05piO55So6YeP77yM5bqU5Y+W5pyA5bCP6YeP77yM5Zu65L2T5Y+q6ZyA55uW5ruh5a655Zmo5bqV6YOo77yM5ray5L2T5bqU5Y+WMS0ybUzvvI48YnI+5pWF6YCJQe+8jg==
本课配套习题挑战模式2/5
单选题
难度系数：
2.在化学实验中，我们经常需要取用一定量的药品．若需取用48g蒸馏水，下列最合适的仪器是
| A: 100mL的量筒 |
| B: 托盘天平 |
| C: 50mL的量筒 |
| D: 50mL的烧杯 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY6ICD5p+l5a6e6aqM5Luq5Zmo55qE6YCJ55So44CC5Zyo5Y+W55So5ray5L2T5pe277yM5bqU6K+l5Li76KaB6YCJ5oup6YeP562S5L2c5Li66YeP5Y+W5Luq5Zmo44CC
- 提示2：5Zyo6YCJ5oup6YeP562S55qE6KeE5qC85pe277yM6YeP56iL5LiO5oOz6KaB5Y+W55qE5L2T56ev5bqU6K+l5bC96YeP55u46L+R44CC5Zug5q2k6YCJ55SoNTBtTOmHj+etkuOAgg==
- 答案：Qw==
QeOAgemHj+etkuaYr+mHj+W6pua2suS9k+S9k+enr+eahOS7quWZqO+8jOWcqOmAieaLqemHj+eoi+aXtu+8jOimgeaxguWPqumHj+S4gOasoe+8jOS4lOmHj+eoi+S4jumcgOaxguWAvOacgOaOpei/ke+8jDEwMG1M55qE6YeP562S6YeP56iL5aSq5aSn77yM5omA5Lul6ZSZ6K+v77yOPGJyPkLjgIHmiZjnm5jlpKnlubPmmK/np7Dph4/miJbnp7Dlj5blm7rkvZPoja/lk4HotKjph4/nmoTvvIzmiYDku6XplJnor6/vvI48YnI+Q+OAgemHj+etkuaYr+mHj+W6pua2suS9k+S9k+enr+eahOS7quWZqO+8jOWcqOmAieaLqemHj+eoi+aXtu+8jOimgeaxguWPqumHj+S4gOasoe+8jOS4lOmHj+eoi+S4jumcgOaxguWAvOacgOaOpei/ke+8jDQ4Z+awtOS4ujQ4bUzkuI41MG1M55qE6YeP562S6YeP56iL5pyA5o6l6L+R77yM5omA5Lul5q2j56Gu77yOPGJyPkTjgIHng6fmna/mmK/ovoPlpKfph4/or5XliYLnmoTlj43lupTlrrnlmajvvIzlj6/lnKjluLjmuKnmiJbliqDng63ml7bkvb/nlKjvvIzov5jlj6/nlKjmnaXphY3liLbmurbmtrLvvIzkuIDoiKzkuI3ph4/luqbmtrLkvZPkvZPnp6/vvIzmiYDku6XplJnor6/vvI48YnI+5pWF6YCJQ++8jg==
本课配套习题挑战模式3/5
单选题
难度系数：
3.取用液体药品时，正确的操作是
| A: 手拿试剂瓶，标签向外 |
| B: 试剂瓶口不要紧贴试管口，以防污染 |
| C: 手持试管，应垂直拿稳 |
| D: 取完药品盖好瓶盖，放回原处，标签向外 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY6L6D5Li65a655piT77yM5oyJ54Wn5Y+W55So5ray5L2T6I2v5ZOB55qE6KaB5rGC5LiA5LiA5a+554Wn5Y2z5Y+v44CC
- 答案：RA==
QeOAgeaJi+aLv+ivleWJgueTtu+8jOagh+etvuWQkemHjO+8jOaVhUHplJk8YnI+QuOAgeivleWJgueTtuWPo+S4juivleeuoeWPo+e0p+aMqOedgO+8jOaVhULplJnvvJs8YnI+Q+OAgeivleeuoeimgeWAvuaWnO+8jOaVhUPplJnvvJs8YnI+ROOAgeWPluWujOiNr+WTgeebluWlveeTtueblu+8jOaUvuWbnuWOn+WkhO+8jOagh+etvuWQkeWklu+8juWuueaYk+S4i+asoeWPluaUvu+8jOaVhUTmraPnoa7vvI48YnI+5pWF6YCJRO+8jg==
本课配套习题挑战模式4/5
单选题
难度系数：
4.某学生要准确量取7毫升水，应用
| A: 50毫升量筒 |
| B: 10毫升量筒、滴管 |
| C: 托盘天平 |
| D: 5毫升量筒、滴管 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY6ICD5p+l5a6e6aqM5Luq5Zmo55qE6YCJ55So44CC5Zyo5Y+W55So5ray5L2T5pe277yM5bqU6K+l5Li76KaB6YCJ5oup6YeP562S5L2c5Li66YeP5Y+W5Luq5Zmo44CC
- 提示2：5Zyo6YCJ5oup6YeP562S55qE6KeE5qC85pe277yM6YeP56iL5LiO5oOz6KaB5Y+W55qE5L2T56ev5bqU6K+l5bC96YeP55u46L+R44CC5Zug5q2k6YCJ55SoMTBtTOmHj+etkuOAgg==
- 答案：Qg==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.下列实验操作错误的是
| A: 将块状固体放入直立的试管内 |
| B: 加热试管里的药品时，要先使试管预热 |
| C: 用胶头滴管吸取并滴加试剂后，立即用清水冲洗干净 |
| D: 用药匙取固体药品后，立即用干净的纸擦拭干净 |
一次做对，真牛！
+5奖励规则>
- 提示1：5aaC5p6c5bCG5Z2X54q25Zu65L2T5pS+5YWl55u056uL55qE6K+V566h5YaF77yM5piT5bCG6K+V566h5bqV6YOo56C456C044CC
- 答案：QQ==
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
