题目

．溴（Br）与氯同属“卤族”元素，其单质在性质上具有很大的相似性，但Cl2比Br2的活泼性强，下面是根据氯的性质对溴的性质进行预测，其中不正确的是 A．溴单质常温下为液态，但极容易挥发为溴蒸气 B．溴也可与NaOH溶液反应生成NaBr、NaBrO、H2O C．溴原子外层有7个电子，在化学反应中容易得1个电子，表现氧化性 D．溴单质只具有氧化性Do you want to have more fun or learn something new with your smart phone? Some apps may help you. Check them out!GarageBandIf you are a music lover, you mustn’t miss this app. On it you can make your own songs. It has many short music pieces of different kinds, such as hip-hop and R’n’B. You can put them in your song. If you hear something nice in life, just record（记录；录音）it into GarageBand. Mix all the things you love together, you get your own music. Come on! Make a song for your good friend. One Second Every DayHate to keep a diary? An app called One Second Every Day helps you make a video diary: you take videos every day, making many one-second pieces. At the end of a week, a month, or even a year, all the pieces can be put together to make a wonderful minutes-long video. You can share it on WeChat or Weibo. XichuangzhuIf you enjoy ancient Chinese poems, Xichuangzhu is a perfect app for you. The name of the app comes from a poem by Li Shangyin. On the app you can find over 1 million ancient Chinese poems of almost every kind, such as poems about seasons, friendship and family. You can also find poems and their meanings by entering key words. You may share your ideas or your calligraphy（书法）writing of poems on the app too.【1】The app called __________ allows you to make a song of your own.A. GarageBand B. One Second Every DayC. Xichuangzhu D. Li Shangyin【2】One Second Every Day is an app that can help you work on ___________.A. music B. photographs C. videos D. poems【3】Alex is a big fan of the TV programme Chinese Poetry Competition（中国诗词大会）, he will possibly download ____________.A. GarageBand B. One Second Every DayC. Xichuangzhu D. Weibo【4】If you want to find a poem by Li Shangyin, you may __________ on the app.A. look for it page by page B. enter its key wordsC. share your idea about the poem D. take a video of it【5】___________ can be the best title of the passage.A. Smart Phones and Apps B. Ways to Find New AppsC. Important Apps in Life D. Apps to Colour Our life