5岁男孩，因脸色较苍白就诊，平素饮食规律，但间断有上腹痛，有时有黑便。查体：皮肤、巩膜无黄染，口唇较苍白，心、肺无异常发现，肝右肋下3.5cm，脾左肋下2.5cm，Hb70／L，WBC8.5×10／L，N0.65，L0.37，M0.02，RC0.05，MCV70D，MCH25pg，MCHC26％，HbF2％。此病儿最可能的诊断是（）
A.地中海贫血
B.缺铁性贫血
C.生理性贫血
D.叶酸缺乏所致营养性贫血
E.维生素B缺乏所致营养性贫血
参考答案：B
假设你是李越。你校和澳大利亚的Forest中学是姊妹学校。最近Forest中学网站邀请你推荐一位你校的环保大使(Environmental Protection Ambassador)。请你根据下面的提示用英语给该网站写一封100—120个词的Email。内容包括：
参考词汇: 公益事业 public service editor, I would like to recommend one of my classmates as Environmental Protection Ambassador. ______________________________________________________________________________ ______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ Yours faithfully, Li Yue |