C.Shor video npps have some bad influenecs and teens need to redluce their screen time.D.Shor video apps can't help improve friendships among teens.47. What is the structure of the passage?A. ①②③④/③B.①②③/④5C.①②/③④③D. ①/②③/④③CLearning a new language is a complex(复杂的) task,but there are lots of benefits of languagelearming.Research shows thatitisnever tooearly ortoolatetostartlearninganewlanguageourbrains are built forlanguagelearning!Language is about communication and connections,and studyinganewlanguage bringspeopleand cultures closer to us.At the beginning, learning a language might feel like all vocabulary andgrammar,butit doesn'ttakelongtobuild up the skillsto makemeaningful connections in the newlanguage.Knowing anotherlanguage can develop ourunderstandingoflanguagesingeneral.Studyingasecond language helpsimprove students’performance in other subjects.It involves learning differentkinds ofskills,like creativity,higher orderof thinking,problem solvingandreasoningIf a man can use two languages,he is bilingual. Being bilingual trains ourbrains toperform a complex task:turningone language“down”whileturning theother“up”,ineveryinteraction(互动),foreveryword!Bilinguals’brains treatlanguageslikea seesaw,liftingoneuphigherwhenitisneeded,andpushinglowertheonenotbeingused.Thispush-and-pullkids playing on the seesawinbilinguals'brainsgetsthempracticinga specific(特定的)kindofattention andcontrol.Languagesprovide newways of interacting with people in our communities and around the world.Whilestudentsmaylearnanewlanguageinschool,technologymakesiteasier thaneverbeforeforolder adults to learn too.Online chatting tools give adults ways to communicate directly with theirlanguage practice partners and native speakers.Exploring new cultures,travel,and making newsocial connectionswithpeoplearound theworld can alsohave agoodinfluence on older adults.People of any age can learnnewlanguages,but it is usuallyharder for adults to have the timeand energy to learn them.For both kids and adults,language learning takes time and patience,and itshouldalsobeenjoyable48.Why is learning another languagehelpful for students'other subjects?A.Because it makes learning vocabulary and grammar easy.B.Because it gets students interested in many subjects.C.Because it shows the performance of students.D.Because it develops sludents'several skills英语(二)第6页(共10页)