A：光照甲烷与氯气的混和物，乙烯使酸性高锰酸钾溶液褪色
B：CH3CH2﹣OH+H﹣O﹣C2H5 →140∘C浓H2SO4 CH3CH2OCH2CH3+H2O，乙烯与水蒸汽在一定条件下生成乙醇
C：乙烯使溴的四氯化碳溶液褪色，苯与氢气在一定条件下反应生成环己烷
D：在苯中滴入溴水，溴水褪色，乙烯使溴水褪色
It was Saturday. Mike stayed at home alone(单独地). His parents went to visit his grandparents in another city. He did his homework and read books. After lunch, he watched TV and played basketball on the playground with Jack. He felt very tired. In the evening, his parents came back and brought him some presents. They were a schoolbag and a basketball. Mike felt very excited!
用“who”或“that”填空(1) The man____ is talking with my mother is my father .(2) That book is the one____ I bought yesterday .(3) He is one of the workers ____ been saved in that accident .(4) They talked of the things and persons ____ they remembered in the factory .(5) All____ can be done must be done .
