实验室里做钠跟水反应的实验时，不必使用的仪器是（　　）①药匙    ②镊子    ③石棉网   ④滤纸  ⑤研钵    ⑥烧杯    ⑦坩埚    ⑧玻璃片．

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19987' and id < 1745940 and id<>'1745940' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19987' and id > 1745940 and id<>'1745940' order by id asc limit 5