题目

I was eight years old then. Looking __36__ I remember the time in a baseball field passing the team that we had just __37__ . We shook their hands and said, Good game! It is __38__ to do that when you win! When you lose, you have a tendency(倾向) to slap (拍) the hand — instead of shaking it — and __39__ the ground instead of the eyes. This is not only true for an eight-year-old; it is true for adults, too. A few years ago, in a softball league, we lost 15 games! And we thought it was __40__ . But during the Good game handshake after each __41__, I looked each player in the eyes and sh(1)小明应按照 (选填“自上而下”或“自下而上”)的顺序进行器材的组装,调整好酒精灯与铁圈间的高度,确保用酒精灯的________对烧杯进行加热,以缩短加热时间。在图示中,温度计的使用方法存在的错误之处是 。此实验除了实验装置图中画出的器材外,还需要的测量器材是 . .(2)实验中,某一时刻的温度计的示数如图所示为 ℃,观察到水沸腾时的现象如图 (选填“a”或“b”),温度 (选填“升高”、“不变”或“降低”). 小明撤去酒精灯后,发现水没有立即停止沸腾,导致该现象的原因是: ,但最终水还是停止了沸腾,这一现象说明: 。(3)小明同学在做完“观察水的沸腾”实验后又进一步研究了沸水自然冷却过程中温度随时间的变化情况,将实验数据记录在下表中:时间t/min0510152535455565温度t/℃1007155453528242222请在坐标图中通过描点画出上述温度随时间变化的曲线。观察曲线,小明发现:水在冷却时温度降低的规律是:_________;如果有一天你要急于喝一杯奶茶,可以有两种方法供你选择:①先将滚烫的热茶冷却5min,然后加一匙冷牛奶;②先将一匙冷牛奶加进滚烫的热茶中,然后冷却5min。你认为方法 的冷却效果好。(4)“炖”菜是人们喜欢的美食,最好的“炖”菜是应用煮食法.即把汤料和水置于炖盅内,而炖盅则浸在大煲的水中.并用蒸架把盅和煲底隔离.如图所示.当煲中的水沸腾后,盅内的汤水__________达到沸点(填“能”或“不能”),_________(选填“会”或“不会”)沸腾.
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