【Ifyouneedtocallyourparentsbutyourphoneisnotwithyou，canyouremembertheirnumbers？Toremember11numbersisnotdifficult．However，becauseofthesmartphone．manyofusarelosingthisability．What'smore，smartphonesweaken】
If you need to call your parents but your phone is not with you，can you remember their numbers？
To remember 11numbers is not difficult．However，because of the smartphone．many of us are losing this ability．What's more，smartphones weaken （削弱） our skills at giving directions，as well as killing face-to-face communications．Even when friends are having a meal together，it's common for most to check their phones．
According to a report by Kleiner Perkins Caufield Byers，an American company，Chinese people spend about 170minutes on their smartphones daily．
Many students are addicted to using smartphones．It does no good to their study．Research by Japan's Education Ministry showed children who spend more than four hours a day on their phones perform much worse in school test than those who play with their phones for 30minutes．
It's true that the smartphone has made our lives easier．But many also think they spend too much time on it，and this is bad for their study or work．People are trying to change that．
A new app （应用软件） called Forest was introduced this month．It lets users plant a seed thatgrows into a tree over the next 30minutes．During the half hour，users cannot use their phones，or the tree will die．
A restaurant in Los Angeles，US，gives people a 5%discount （折扣） if they don't check theirphones during a meal．Owner Mark Gold said he hopes it gives people a way to enjoy their meal and actually talk with friends and family in person．
53．Many people can't remember their parents'phone numbers because___．
A．they don't care about their parents
B．they depend too much on smartphones
C．they find it difficult to remember numbers
D．they don't know how to remember numbers
54．What does the word"addicted"probably mean in Chinese？___
A．沉迷．
B．喜爱．
C．习惯．
D．擅长．
55．The app"Forest"is used to___．
A．encourage people to