【简答题】某同学在做“分子运动的探究实验”前,对课本上的相关实验(原理如图所示)有几个疑问.请你用自己的聪明才智为他解答如下问题: (1)烧杯A中的现象是______; (2)烧杯B中的现象是______; (3)有人认为烧杯B(包括药品)是多余的,可以不用.对此你的看法和理由是______.
【简答题】单词拼写 (共5小题; 每小题1分,满分5分) 小题1:The cell phone s________ was poor, and my calls kept getting cut off. 小题2:I would a_________ it if you could come and help me tidy up the garden. 小题3:P________, I think he ...
【简答题】阅读理解。 A middle-aged stranger visited us late on a dark rainy night when my father was working the night shift (a job for a period during the night). The stranger asked if he could wait under the eaves...
【简答题】A middle-aged stranger visited us late on a dark rainy night when my father was working the night shift (a job for a period during the night). The stranger asked if he could wait under the eaves of ou...