13974.（2020•西安市•模拟）Technology is developing fast and it has become an important part of our life， Then what will the world be like in the future？ 3﹣D food will be both delicious and nutritious （有营养的） We can use 3﹣ D printers to print some basic materials． And we can go further， Scientists believe that we just need to tum on a printer in the kitchen and then we can enjoy our favorite food whenever we like． 5G network will allow many more people to get information．Big companies like China Mobile and China Unicom will start to offer 5G．It is said that 5G promises download speed 10 to 20 times faster than 4G．For example， we can download a film within just I second． But with a 4G network， it takes a few minutes． There will be much bandwidth（带宽）and we can get unlimited information． Underwater cities will provide more space． The earth is becoming more and more crowded．We may tum to underwater homes， which will be built as low as 15 kilometers below the sea．And the different temperatures at the different depths of the sea can be used to provide power for the homes． Space tour will be a piece of cake． For us common people on the earth， the dream of travelling around space will come true． in the coming years， spacecraft will﹣be as popular as buses， trains and planes．We can leave our home and enter space to take an adventure． And even we will get used to living there．
（1）According to the scientists， we can enjoy our favorite food when we in the future． A． buy some outside B． tum on a3﹣D printer． C． do it by ourselves D． call the restaurant． （2）The download speed of 5G network is faster than that of 4G． A．10 to 20 times B．5﹣10 times． C．more than 20 times D．20 to 30 times （3）Which of the following is TRUE according to the passage？ A． 3﹣Dfood will be easy to make but won't taste good B．With 5G，users will get only little information C．Underwater cities will provide more living space D．We still can't travel around space in the future
细节理解题． （1）B．根据 Scientists believe that we just need to tum on a printer in the kitchen and then we can enjoy our favorite food whenever we like．可知科学家们认为，我们只要打开厨房里的打印机，就可以随时随地享用我们喜爱的食物．故选B． （2）A．根据．It is said that 5G promises download speed 10 to 20 times faster than 4G．可知据说5G的下载速度比4G快10到20倍．故选A． （3）C．根据第四段第一句Underwater cities will provide more space． 可知水下城市提供了更多的空间，故C正确．故选C．
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