题目

不溶于水且比水轻的一组液体是                                            A．甲苯、四氯化碳                   B．苯、汽油  C．硝基苯、一氯丙烷                 D．酒精、溴 答案：B—Time flies! The wonderful party is over．We'll have to part.—No need to feel blue．_________A．A still tongue makes a wise head．B．A single flower does not make a spring.C．All good things come to an end．D．All that glitters is not gold.