第一节
听下面5段对话。每段对话有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
At what time does the office open

______ is the population of ChinaA．How muchB．How manyC．...

单项选择题______ is the population of China

Xiao Ming dislikes learning English, ______A．doesn't he...

单项选择题Xiao Ming dislikes learning English, ______

-- ______was Winter Olympics held--Every four years.A．H...

单项选择题-- ______was Winter Olympics held--Every four years.