4．
Feeling bored during the winter？Equip （裝備） your smart phone with some cool apps and have fun on the cold days．
Walkup
How many steps did you take today？Walkup does not just mark down the number of steps you take．Your real steps can take you on a virtual （虛擬現(xiàn)實(shí)的） journey around the world．Mark your travel route （路線(xiàn)） and every step you take will give you the power to move ahead in the app．You will get closer to different countries like Vietnam，Singapore and India．
But that's not all．During the journey，you have to deal with things such as meeting a thief while waiting in line．The solutions you choose will affect （影響） your next trip．
For each place you reach，the app sends you basic information and fun facts about the city and beautiful electronic postcards．
Duolingo
Have you ever wanted to learn another foreign language？You might say，"English is hard enough．I don't want to go through that again．"
（Paragraph 8）Relax-learning a foreign language doesn't always mean taking endless exams．An app called Duolingo can help you memorize new words and grammar in creative ways，such as online lessons，games and interesting exercises．For example，one exercise asks you to put words in the right order to make the correct sentence．You can also try translation practice．Other Duolingo users can rate （評(píng)級(jí)） translations and pick the best one．
Duolingo is named"the best language-learning app"by The Wall Street Journal．It offers English，F(xiàn)rench，Spanish，German，Italian，Portuguese，Irish，Dutch，Danish and Swedish．Choose one you like and get started!
Douban FM
Almost every smart phone has a music app．But an old playlist might start to get boring．This app Douban FM may surprise you!Without a playlist，you will never know what the next song is．Songs just keep playing one by one．You can use the"heart"，"trash"and"skip（跳過(guò)）"buttons （按鈕） to mark the songs you like，don't like and want to cut short．Those marked with a heart will be stored in another list as your favorites．Just touch it anytime you want to listen to those songs．
Douban FM also has different channels （頻道）．There are many types of music，such as blues，jazz，and pop．You can choose the music for outdoor activities，work or studying depending on your mood．
81．Which app is not mentioned in this passage？A
A．Evernote
B．Walkup
C．Duolingo
D．Douban FM
82．If you use the app Walkup，every step you take will give you the power toC．
A．have a real journey
B．get to Singapore
C．move ahead in the virtual journey
D．deal with some things
83．What's the main idea of Paragraph 8？C
A．It's hard to learn another foreign language with Duolingo App．
B．It's impossible to learn a foreign language with Duolingo App．
C．It's relaxing to learn a foreign language with Duolingo App．
D．Duolingo App is the best foreign language-learning app．
84．According to the passage，which of the following is NOT true？B
A．Walkup can mark down the number of steps you take．
B．The old phone playlist will be popular all the time．
C．The skip button can help you to cut songs short．
D．Douban FM has new playlist and different channels．
85．What's the writer's purpose of writing the passage？C
A．To tell people not to use smart phone too much．
B．To encourage more people to buy smart phones．
C．To introduce some cool phone apps to people．
D．To show what foreign languages people can learn．
