（浙江专用）2019_2020学年高中英语题型组合加餐练（三）（含解析）新人教版必修2

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1、题型组合加餐练(三)Ⅰ.阅读理解(2018·广东深圳期中)Anewkeyboardcantellwhetheryouareitsowner.Thekeyboardrecordsinformationaboutthetypingpatternandsendsittoacomputerprogram.Theprogramthencheckstoseeifthepatternmatchestherightuser.Ifnot，analarmsounds，andthecomputerlocksthetypist

2、out.Itlocksoutanyoneelse，evenifthepersonknowspassword.What’smore，thisdeviceneedsnobatteries.Itharvestsalltheenergyitneedsfromtheactionofyourtyping.Besides，thekeyboardisalsoselfcleaningandthekeysarefreeofdamagefromwater，oilanddirt.Thekeysofthenewkeyboarda

3、remadeofthesameinexpensiveplasticthatmightbefoundonanyotherstandardkeyboard.Butinsteadofbeingsmooth，thekeyshavemillionsoftinyplasticnanowires(纳米线)ontheirsurfaceareatoeverykey，increasingtheeffectivecontactareabetweentheplasticsandfingers.Thisensuresthatth

4、ere’senoughpowertorunthekeyboardassomeonetypes.LimingDai，ascientist，didnotworkonthenewkeyboard，buthethinksthedesigncouldbeimportantingettingbetterperformancefromavarietyofdevices.“Itcouldalsobeappliedtoatouchscreen，forinstance，”Daisays.“Thensmartphonesan

5、dnotepadscouldharvestenergyfromtheactionofsomeonetypingordrawing.”“Futureworkmightmakethekeyboardevenmoreuseful，”Daiadds.“Alaterdesignmightbuildtinycapacitors(电容器)ontothenanowires，”hesuggests.Capacitorsarelittledevicesthattemporarilystoreelectriccharges.

6、ThosemightthenpowerLEDstolightakeyboardinthedark.ZhonglinWangisacodesignerofthenewkeyboard.Histeamhasbuiltaworkingmodelofthekeyboard.“Ifacompanydecidestofund(投资)itsproduction，thiskeyboardcouldbeinstoresinaslittleastwoyears，”saysWang.语篇解读　本文为读者推荐了一款新型的键盘，

7、这种新的键盘通过输入模式和进行正确的用户匹配来识别它的主人。1．Whyaretheremanynanowiresonthesurfaceofthekeys?A．Tomakethekeysbeautiful.B．Tohelpproducepower.C．Tomakethekeyssmooth.D．Toimprovethespeedoftyping.答案　B解析　细节理解题。根据第二段最后一句“Thisensuresthatthere’senoughpowertorunthekeyboardassomeon

8、etypes.”可知，键盘表面有许多纳米线是用来帮助产生电力的，故选B。2．What’sDai’sattitudetothenewkeyboard?A．Unconcerned.B．Positive.C．Doubtful.D．Critical.答案　B解析　推理判断题。根据第三段中的“LimingDai，ascientist，didnotworkonthenewkeyboard，buthethinksthedesigncouldbeimpor