题目

现有金属单质A、B和气体甲、乙、丙及物质C、D、E、F、G，它们之间能发生如图反应（图中有些反应的产物和反应的条件没有全部标出）。 请根据以上信息回答下列问题： (1)写出下列物质的化学式：乙_________，F__________。 (2)写出下列反应的离子方程式： ①金属A和水反应_______________。②红褐色沉淀C与物质E反应__________。 ③F与黄绿色气体乙反应____________。 ④实验室常用氢氧化钠吸收实验过程中的黄绿色气体乙，写出用氢氧化钠溶液吸收该气体的离子方用括号内所给动词的适当形式填空，必要时可加助动词或情态动词。1.Don’t play computer games any more. You sat too long without ___________ (move).2.You should keep on ___________ (play) sports although you are very busy.3.I like walking, and I’m used to ___________ (walk) to work.4.After ___________ (lose) his arm, he wrote a book that we all like it today.5.Our teachers expect us ____________(be) there on time.6.You need to do something ___________ (take) breaks away from the computer.7.He agreed ___________ (play) soccer with me.8.I think you should ___________ (lie) down and have a rest.9.Peter hurt his back ___________ (play) volleyball.10.My brother got ___________ (hit) by the ball when he played basketball.