【简答题】—How are you getting on with your cleaning? Do you need my help? — _____ , but I think I’m all right A . No, thanks B . That’s OK C . You are helpful D . That’s very kind o...
【判断题】我国汽车燃料经济性的评价指标为每百千米油耗量(L/100km),其值越大越经济。
【简答题】实验室有三瓶不同种类失去标签的盐溶液,均为初中常见的化学物质,分别是碳酸钾溶液、硫酸钠溶液和一种含有钡离子的未知溶液。 【提出问题】如何鉴别出三种溶液? 【实验探究】小松同学:取1号样品溶液少许,加入到一支试管中,向其中滴加适量稀盐酸溶液,没有观察到明显现象,他又继续滴加少量硝酸钡溶液,观察到有白色沉淀产生。他认为1号溶液中的溶质一定不是碳酸钾,一定是硫酸钠。 【反思与评价】请你评价小松同学的实验...
【单选题】----How are you getting along with your English study ? ----So far ________.
【判断题】在我国和欧洲,常采用每百千米油耗量(L/100km或 kg/100km)作为汽车燃料经济性的评价指标。
【单选题】He asked, “How are you getting along?” → He asked .
A.
how I was getting along
B.
how are you getting along
C.
how am I getting along
D.
how was I getting along