Huawei Technologies Co said 【小题1】 Thursday that its in-house operating system HarmonyOS will be used in smartphones next year, marking a breakthrough in Chinese companies' efforts to commercialize （商业化）self-developed operating systems and to build 【小题2】 （ they） own globally competitive software ecosystems.

HarmonyOS 【小题3】（ use） in smartwatches, personal computers and other internet of things devices （装置）later. As we saw during the event, HarmonyOS 2. 0 enables meetings in 【小题4】 office to be organized using the WPS app on the HarmonyOS 2. 0 app. A   power-point     presentation can be 【小题5】 （rapid） shared on your phone with a quick swipe （滑动）of the WPS app on your smart screen, with real-time comments and papers sharing. Feeling 【小题6】（disappoint） when you want to experience a big-screen multi-sensory （多人体感）game but don't have the equipment? With HarmonyOS 2. 0, you can play smart screen games just by picking up a Huawei phone 【小题7】 can change into a controller in 【小题8】（second） , and your family can enjoy large-screen games together. Too small screen for online classes?   VIPKid 【小题9】 （ allow） you to interact with a large screen and a small screen through the collaboration （协作）of the smart screen and the tablet, and the online classroom is just as 【小题10】 （ attract） as the on-site teaching.

Woodblock printing first appeared in the early Tang period. During the Song dynasty, the technique of block printing was very advanced. Books were 【小题1】 (beautiful) printed.

Even today the books 【小题2】 (print) at the time are valuable and treasured by libraries and book collectors.

However, block printing 【小题3】 (be) not very convenient. Every two pages of a book had to be carved on a woodblock, and a big book would require many blocks. Besides, they had to be large places for storing the books.

【小题4】 (overcome)these shortcomings, Bi Sheng invented the movable type during the years between 1041 and 1048. One word was carved on one piece of clay, 【小题5】 was harden with fire. Then clay characters were set on 【小题6】 iron plate according to the text of a book. Then ink was applied to them and 【小题7】(sheet) of paper spread over them, and the printing was over. Bi sheng’s invention made printing faster and 【小题8】 (easy) than before. Later, movable type of metal and wood was made and widely used.

The technique of printing was gradually known to other Asian countries and Europe.The great influence printing had 【小题9】 the advance is too clear to need any【小题10】 (explain).

We know that smartphone addiction can affect lives in negative ways. A 2017 University of Texas study claimed that merely 【小题1】 (place) a smartphone in someone’s line of sight slowed down their productivity and reduced their grades. An 【小题2】 (early) study from London found students who didn’t use smartphons saw their test scores increase by 6.4 percent.

It is 【小题3】 (extreme) difficult to break away from smartphone addiction. Some people have even tried punishing 【小题4】 (they) for using their devices. Now, an APP is being released (发行) in the UK that rewards people for staying away from their smartphones. The APP, called Hold, 【小题5】 (create) by three Norwegian university students, who found that positive rewarding was the most 【小题6】(effect) way of conquering smartphone addiction. Hold allows students to collect points for staying away from their devices between the hours of 7 a.m. 【小题7】 11p.m.; they get 10 points for every 20 minutes. The points 【小题8】 (collect) can be used for discounts on everything from cinema tickets to food and drinks. A cinema ticket, for example, costs 60 points, or 2 hours away from a phone.

Over 120,000 people in Norway, of 【小题9】 40% are college students, use the app. It’s now available 【小题10】 students from over 170 universities in the UK.