题目

某同学在做研究某物质熔化时的规律的实验时得出如下数据: 加热时间(min) 0 2 4 6 8 10 12 14 16 18 20 22 温度(℃) 64 68 72 76 80 80 80 80 84 88 92 96 则由装置图(如图)和上表数据可知: (1) 此物质一定属于.(填“非晶体”或“晶体”) (2) 此物质的熔点是,在第10min时,物质处于.(选填“固态”“液态”或“固液共存态”) (3)—He is fluent in English because he once stayed in London。 —Really ?How long ____ there ?A.did he live B.has he lived C.had he lived D.does he live
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