And for students who study late into the night, many have set up 24-hour repair shops where students can get their laptops fixed by the next day and receive a loaner in the meantime. (Para. 11)
【简答题】某校九(5)班学生进行一系列的实验,请结合下图帮助他们解决以下问题: A B C D E F (1)写出图中有标号仪器的名称:① ,② 。 (2)用加热高锰酸钾的方法制取氧气,应选用的发生装置是 (填字母编号), 写出该反应化学方程式 。 (3)用B、D装置可制取某种能使石灰水变浑浊的气体,写出相应的...
【简答题】小题1:My brother got ▲ (marry) last week . 小题2: I’d like to recommend this ____________ (educate) magazines to all the teachers. 小题3:When I heard the bad news , I couldn’t help ▲ (cry) 小题4: Some wild an...