听第二篇短文，回答第 16 至 20 小题。
()16. Why is David walking across Europe?
A. To raise money.
B. To do exercise.
C. To travel.
()17. When did David lose his legs?
A. Ten years ago.
B. At ten years old.
C. At twelve years old.
()18. How far will David walk?
A. About 2,000 kilometres.
B. About 2,000 miles.
C. Over 2,000 miles.
()19. How long will it take David to complete the journey?
A. About two months.
B. About three months.
C. About four months.
()20. Where will David stay during the journey?
A. In a tent.
B. In hotels.
C. In people's houses.

第三部分 情景问答
你有 10 秒钟的时间阅读下面的情景提示。之后你将听到两个问题，请根据情景提示的内容，用英语进行回答。注意：每个问题问两遍，每题的答题时间为 15 秒钟。
请看下面的情景提示：
你的表妹玲玲在两年前去了中国西北地区的一所小学支教，你们主要通过微信交流。
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