Liu Jichen believes good behavior（表现）should be encouraged so that it will become a good habit.The young man has succeeded in making millions of people form the habit of clearing their plates as part of the nation's efforts to cut down food waste.

Liu Jichen and his team have developed a WeChat mini﹣program called "Clear Your Plate".After a meal，users can open the mini﹣program and take a picture of （A） theirempty plates.Once the picture is recognized（被识别）by the AI（人工智能），users can collect points. （B） They can be used to buy products or give away meals to children and old people in need.

Bi Haibao is a 26﹣year﹣old teacher from a college in Qingdao，Shandong Province.He was one of the program's first users before it went popular on campus（校园）.He led a student team to join in a competition for the "empty plate" campaign（活动）.The result is good，as many students mentioned their awareness（意识）of food saving had improved.Students who use the AI program might gradually form good habits of saving food.

Liu，who believes technology can help with "Clear Your Plate"，said refusing food waste should be a lifestyle choice for everyone. （C） " We make our efforts to encourage young people to save food ， " he said.

（1）把（B）处画线句子翻译成汉语。

　                                                      

（2）把（C）处画线句子翻译成汉语。

　                                                    　

（3）写出（A）处画线单词指代的内容。

　                                                   　

（4）"光盘"后，用户怎样才能获得积分？请从文中找出两个动词短语。

　                                                   　

（5）找出或概括能体现本文大意的句子。