Starter Unit 2　Whats this in English 同步课件 人教版英语七年级上册.ppt

STARTER UNIT 2　Whats this in English? what is this in English map cup ruler pen orange jacket key quilt it a an that spell please (2)【辨析】不定冠词a与an相同点表示数量“一”a ruler一把尺子 an egg一个鸡蛋笼统地指某人或某物，但不具体说明A girl is in the room．房间里有一个女孩。表示首次提到的人或物(常用于介绍用语中)There is a book on the desk．书桌上有一本书。 不同点a用在以辅音音素开头的单数可数名词前a book 一本书　a bed 一张床an用在以元音音素开头的单数可数名词前an orange一个橙子　an apple一个苹果 i a o g q l t a h l r n h a e e l A CB B A C B A D D Whats this in English? This is an orange. Thats a ruler. Please spell it. Whats that in English?