二次免疫应答,再次免疫应答

INTEGRATING SKILLS Reading and writing During the first week of May I went on a holiday to Sichuan.First,I found some photos of interesting places which were not too far away from Chengdu.I decided to go and see the big Buddha in leshan and Mount Eme

发表于:2018-12-04 / 阅读(90) / 评论(0) 分类 高中英语人教版第一册课本听力

当月光皎洁明亮时,人们可以通过肉眼清晰的看到月亮上的阴影。各个文化的初民们,都发挥自己的想象,将月亮上的阴影拟为人世间的事物。因此,嫦娥、桂树、玉兔就应运而生了。 然而关注着月亮的,并非只有中国人。梵语中,印度就是月亮的意思;在印度,月亮更是一切美好

发表于:2018-12-06 / 阅读(69) / 评论(0) 分类 英文故事剧

INTEGRATING SKILLS Reading and writing During the first week of May I went on a holiday to Sichuan.First,I found some photos of interesting places which were not too far away from Chengdu.I decided to go and see the big Buddha in leshan and Mount Eme

发表于:2018-12-13 / 阅读(134) / 评论(0) 分类 高中英语听力人教版第一册

当一个人正在做坏事的时候被人家发现,这个人就会感到很难堪。今天我们要给大家介绍的两个习惯用语都是形容这种局面的。我们先来讲第一个:To ge

发表于:2019-01-09 / 阅读(78) / 评论(0) 分类 美国习惯用语

There's nothing hotter than the parking lot of a North Florida Wal-Mart Superstore in mid-August, but that's where they had been living for over a week when Alice found them and took them home with her, the man, the woman, and the snaggle-toothed Chi

发表于:2019-01-23 / 阅读(47) / 评论(0) 分类 英文短篇小说

BEIJING, Aug. 20 (Xinhuanet) -- His skin-fit purple jeans, black T-shirt, that hangs loosely on his strong frame, leather bracelets, and huge finger ring scream the rebellious spirit of a rock singer. But when Vanness Wu begins to talk about his new

发表于:2019-02-18 / 阅读(44) / 评论(0) 分类 英语新闻