26．This passage is mainly written to ________.
A．offer some information to teachers and parents
B．persuade kids not to watch a lot of TV
C．urge the public to help children be active
D．show the author's concern about children's growth
答案與解析：C 文章通過舉例和公布研究結果，表明積極參加體育活動對孩子的發展和成長有積極意義。文章最後壹段特地勸導家長和學校、社區都要鼓勵孩子們積極參加體育活動，並要為孩子們創造更多的進行活動的機會。
27．What does the underlined sentence “which adults sometimes frown upon”?mean?
A．Some adults are impatient with kids.
B．Some adults don't understand the sports.
C．Some adults think them related to bad behavior.
D．Adults consider it dangerous to go skating or skateboarding.
答案與解析：C frown upon不贊成，反對。由文章第四段可知：研究發現壹些如滑雪、滑板的活動有時被成年人反對——也與孩子們的自尊和減少冒險有關。