3．What does the author think the old should do?

　　A．They should have a good rest.

　　B．They should play like children.

　　C．They should prevent cognitive falling.

　　D．They should take part in physical play.

　　答案与解析：D　考查推理判断。根据第三段中的"However, what we often forget is that it is just as important for old people to make play be part of their life as it's for children. Physical play is important for the old and it certainly helps prevent illness"可知，作者认为老年人应该参与有关身体的活动。

　　4．Which of the following would be the best title for the text?

　　A．Humor, Laughter and Play for Health

　　B．Always Keep Our Body Healthy

　　C．Have an Active and Happy Life

　　D．Let Our Body and Mind Relax

　　答案与解析：A　考查主旨大意。根据最后一段"Anyway, adding humor, laughter, and play to our life will influence us mentally, physically and socially and bring us many advantages. So we should make full use of humor, laughter and play to make our life more active, more interesting and happier"可知，这篇文章的主旨是幽默、大笑和玩耍有利于健康。

　　B

[2019·石家庄质量检测二]After shopping for deals in stores on "Black Friday"， or online on "Cyber Monday"， Americans and people worldwide are preparing for newly popular "Giving Tuesday". Starting in 2012, now the global event that is celebrated annually on the