单选题 Green Valley High SchoolYou are entering a school zone. Please observe the following guidelines to maintain orderly traffic inside the campus:- Keep a speed limit of 15 miles per hour.- Give way to pedestrians.- Avoid honking vehicle horns during class hours.- Do not park in front of school building entrances.- Display a parking pass on the windshield. Thank you and enjoy your visit. Green Valley High School Security

单选题 Why was the notice written?

A、 To notify students about class schedules
B、 To inform motorists of traffic rules
C、 To remind employees of new campus policies
D、 To announce the temporary closure of a parking lot

【正确答案】 B

【答案解析】解析：本题是针对这则通知的写作目的进行提问的主旨题，需要到前文中去寻找答案线索。文中提到“Please observe the following guidelines to maintain orderly traffic inside the campus…”，即为维护校内交通秩序，需要遵守以下注意事项，因此写作目的是告知注意事项的具体内容，因此选(B)To inform motorists of traffic rules。

单选题 What are visitors asked to do?

A、 Register at the security office
B、 Sign up for a parking permit
C、 Drive slowly inside the campus
D、 Show an identification card

【正确答案】 C

【答案解析】解析：本题是询问访客被要求做什么(What)。文章中与题干的中心语visitors asked to do相关的内容是“Keep a speed limit of 15 miles per hour．”，即时速最高不可超过15英里，因此选(C)Drive slowly inside the campus。