江苏省徐州市2014
高考英语单项选择练习（6）及答案 《江苏省苏锡常镇四市2014模拟调研》单项选择（共15小题；每小题1分，满分15分） 请认真阅读卜面各题，从题中所给的a, b, c, d四个选项中，选出最佳选项，并在答题纸上将该项涂黑。 21．weibo as well as wechat＿＿as a media platform for people to share their thoughts instantly without limits of place or time. a. serves b. is serve
