2. Ask the children some questions at random. （二）探究新知：
1. Put the chart on the blackboard and play the cassette let the children listen carefully. The teacher asks several questions.
2. Play the cassette the second time and let the children tick the new words and guess their meanings. 3. Continue to explain the new languages.
4. Play the cassette the third time and pause after each utterance for the children to repeat. 5. Practice in groups. 6. Act out the dialogue.
（三）巩固新知：A. T播放磁带，学生听并思考以下问题。 1) How many people are there in this dialogue? 2) What is Sam doing? 3) Are there enough pencils?
B. 听第二遍后学生小组讨论上述问题，并派选手参加每个问题的抢答。在抢答的同时，T把一些单词写在黑板上，领读学生掌握不好的词。T给获胜的小组加分。
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