摘要: (1) (教师出示电话图片.问学生.教授Is this/that a/an -?句型.) T: Is this a telephone? Ss: Yes, it is./No, it isn’t. (向学生说明this和that的用法.this→近指.that→远指.) (2) (师生用不同的物品反复操练Is this a/an -?/Is that a/an -?句型.) T: Is this an orange?(教师指着近处的实物或图片问.) Ss: Yes, it is. T: Is that a desk?(教师指着远处的黑板问.) Ss: No, it isn’t. It’s a blackboard. - (引导学生区别a/an.教师归纳总结a/an的用法.) T: How to use“a and“an , do you know? (引导学生仔细观察.发现规律.教师最后总结.) a bus/car/pen/desk an orange/apple - Is this/that a desk? - Yes, it is./No, it isn’t.

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