” 不过，广东省中医院药学部副主任孙纳接受记者采访则表示，摄入过多的水溶性维生素会对人体的代谢器官造成负担，特别是对于肿瘤患者，因为无论是肌注还是服用维生素B12都存在加速癌细胞分裂的风险美国休斯敦MD Anderson Cancer Center癌症研究中心高级研究员陶杰夫则对本刊表示，只要日常饮食规律均衡，人体所需的维生素并不需要额外的补充能立方检出咖啡因 功能饮料中的咖啡因含量也是值得消费者关心的另一个指标据国外媒体报道，2012年，美国一种名为“怪兽”的功能饮料曾因被怀疑导致一名14岁女孩的死亡而遭到调查，该死亡事件被怀疑是因饮料中的咖啡因中毒而起，饮用后引起心脏供血不足，心律紊乱中国饮料工业协会标准制订负责人李羽楠曾向媒体表示，中国软饮料分类标准中并没有“功能性饮料”这一说法
2) Ask the students to match each geographic word to the proper meanings1) Students read the sentences loudly together and look at the pictures and the related geographic words in the meanwhile2) Students do the matching work1) To better know how the Mekong river flows2) To help the students better learn the geographic words which are new to them3) To check how the students understand the new wordsStep 8Review the structure of the passage together with the students and show some key words on the screenProvide the students with some words and phrases which are the new words in this unitAsk them to retell the main content of the passage in groupsWith the teacher， students review the structure of the passageRetell the main content of the passage in groupsTo help students form the schema of the passage by reviewing the structure of itTo know the content of the passage better as well as to create more chances for the students to use the new wordsStep 91) Ask the students what they learn from the story2) Give the students some useful and related proverbs1) Students share their opinions with the group members what they have learned from the story
Dig slowly, or you‘ll be too tired to finish慢慢挖，不然的话你会很累，干不完活的本句是“祈使句+or+并列分句”的句型，or连接连个分句，前面的分句相当于if引导的否定性从句如：Hurry up, or you’ll be late= If you don’t hurry up, you will be late你快一点，不然就迟到了Take the chance, or you will regret=If you don’t take the chance, you will regret it抓住这个机会，否则你会后悔的Stand still, or I’ll shoot
(沙发上覆盖着深棕色的布料)3、taupe Taupe是棕色的另一种表达方式，它是一种浅棕色，它有着淡淡的灰色调，它可以用来描述一切浅棕色的物体例如：Thecurtainsaretaupe(窗帘是浅棕色的)4、mahogany Mahogany是棕色的另一种表达方式，它是一种深褐色，它有着深沉的色调，它可以用来描述一切深褐色的物体例如：Thistableismadeofmahogany(这张桌子是用深褐色木头做的)二、棕色的用法 1、棕色可以用来描述一切棕色的物体，如棕色的墙壁、棕色的沙发、棕色的窗帘、棕色的桌子等等2、棕色也可以用来描述一切棕色的衣物，如棕色的外套、棕色的裤子、棕色的鞋子等等
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