[解析]
(1)B.细节理解题。根据原文第一段15﹣year﹣old Max produced the Vybpro,a wearable wristband(腕带)which warns users whenever they are about to touch their faces.The gesture has been recognized as one of the key ways that COVID﹣19 can be spread,making it a potentially life﹣saving invention.(15岁的Max生产了Vybpro,这是一种可穿戴腕带,当用户要触摸自己的脸时,它会发出警告。这一姿态被认为是COVID﹣19传播的关键途径之一,有可能成为一项挽救生命的发明。)可知这个是可以保护人们,以防感染传染病。B.To protect people against COVID﹣19.(保护人们免受COVID﹣19感染)正确。故选B.
(2)A.词义猜测题。根据原文倒数第二段It was only when the World Health Organization( WHO) began suggesting people avoid touching their eyes,noses and faces to stop the spread of viruses from contaminated surfaces did I realize that it could play a part in slowing the spread of COVID﹣19.(直到世界卫生组织(WHO)开始建议人们避免触摸眼睛、鼻子和脸,以阻止被污染表面的病毒传播,我才意识到这可以在减缓COVID﹣19的传播方面发挥作用。)结合前后文可知划线处为"污染"之意。A.Polluted.污染;B.Clean.清洁;C.Smooth.使光滑;D.Rough.粗暴地对待。故选A.
(3)C.细节理解题。根据原文最后一段The main task of this project is not to make money,but to get it onto the wrists of those it can help keep safe.Any profits made from early sales through the crowdfunding site will be reinvested into providing free devices for organizations that help people such as National Health Service(NHS) staff and nursing homes.(这个项目的主要任务不是赚钱,而是把它戴到那些它能帮助保持安全的人的手腕上。通过这个众筹网站获得的早期销售利润将被重新投资于为一些组织提供免费设备,以帮助人们,如国民健康服务(NHS)员工和疗养院。)可知是为了促进项目的成功实施。C.Helping to advance his project.(帮助推进他的项目)正确。故选C.
(4)D.推理判断题。根据原文第一段15﹣year﹣old Max produced the Vybpro,a wearable wristband which warns users whenever they are about to touch their faces.(15岁的Max生产了Vybpro,这是一种可穿戴腕带,当用户要触摸自己的脸时,它会发出警告。)可知虽然Max年纪小可是能做造福人们的大事,一次你。D.Little people can make a big difference.(小人物也能产生很大的影响)正确。故选D.