题型:判断题 Mr. George used to __________ a walk along the river after supper when he was in the countryside. Now he gets used to _________ a walk in the garden.A.take; taking B. taking; take C. take; take 查看答案
题型:判断题 下列实验结论不正确的是 ( ) 实验操作现象结论A将石蜡油加强热产生的气体通入溴的四氯化碳溶液中溶液褪色产物不都是烷烃B将乙醇与酸性重铬酸钾(K2Cr2O4)溶液(溶液显橙色)混合橙色溶液变为绿色乙醇具有还原性C将碘酒滴到土豆片上土豆片变蓝淀粉遇碘元素变蓝D将新制Cu(OH)2与葡萄糖溶液混合加热产生红色沉淀()葡萄糖具有还原性 查看答案