A．听对话，根据所听到的内容，选择正确的答案。
第一节：听下面3段对话，每段对话后有一个小题，从题中所给的A,B,C三个选项中，选出最佳答案。
（ ）6.How many times has Jenny been to the Great Wall?
A. None. B. Once. C. Twice.
（ ）7.What has David bought?
A. The shirt. B. The jacket. C. The coat.
（ ）8.What do you think of the boy?
A. He is beautiful. B. He is shy. C. He is helpful.
