【判断题】蓄电池电压检测方法中检测点P的反向电压与蓄电池端电压成反比。
【判断题】一般社交书信结束语比正式信函语简单多了,可用Amitiés, Amitiésà toi, pensées amicales等。
【单选题】Mr. Brown used to ________ several newspapers before breakfast.
【简答题】水是生命之源,也是人类最宝贵的资源。试用你学过的化学知识回答下列问题: (1)节约水资源,防止水污染是每个公民应尽的责任和义务。下列做法会造成水体污染的有(填序号)____。A.工业废水直接排放B.工业废气处理后排放C.禁I卜使用含磷洗衣粉D.大量使用化肥、农药 (2)下图是水通电分解的示意图。在实验过程中,试管a中产生的气体是________,写出该反应的文字表达式:______________...
【单选题】—Look, Mr. King is swimming in the pool. —It ________ be Mr. King. He has gone to Kunming on vacation. [ ]
【单选题】The policeman was there ______.
A.
to look for Mr. Hill's uncle
B.
to see Mr. Hill about some trouble at the hand
C.
to visit Mr. Hill, his uncle