小题1:D
小题2:B
小题3:A
小题4:C
小题1: D 细节理解题。由第一段第三句home stay provides foreign language students with the opportunity…可知本文是为英语学习者写的。
小题2:B 细节理解题。由第一个小标题What to Expect中的第二句Rooms will be cleaned and bedcovers changed at least once a week.可知答案。
小题3: A 推理判断题。由第二个小标题的内容可知：Zone 1不是居住区；Zones 3 and 4 often offer smaller accommodation一句说到Zone 3和4的住所更小，那么，只能和Zone 2相比更小了。
小题4:C 细节理解题。由第三个小标题中的…Continental Breakfast which normally consists of fruit juice, cereal(谷物类食品), bread and tea or coffee.一句可知答案。