20160714—G70

单元音[ə:] 嘴形扁平，上下齿微开，舌身平放，舌中部稍稍抬高。
er—certainly, clerk, her, herd, mercy, person, verb 
ir—bird, birthday, dirty, first, girl, shirt, skirt, sir, thirteen, thirty
ur—burn, curtain, church, murder, nurse, Thursday, turn
or—word, work, world, worse
ear——earth, earn, early, heard, search
2. 有关星期的表达。
基本词汇: Monday 星期一 Tuesday 星期二 Wednesday星期三 Thursday星期四
Friday 星期五   Saturday 星期六   Sunday 星期天
基本句子：There are seven days in a week. 一个星期有七天。
What day is today? 今天星期几？
Today is Wednesday. / It's Wednesday today.  今天星期三。