2024衡水金卷先享题英语答案免费查询-2024-2025英语周报圈

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Claire Rusch and her colleagues have been working to uncover ways to avoid mosquito bites.And this biologist knows plenty about that.Afterl totudytyogetbiealot,”she notes..“It's not easy to work with an animall that preys(捕食)on you"2c4ATo test whether a mosquito has color preference,Rusch got helpfroaho designed a test box that was450 mosquito-bodyeggLinedthrddthe insects'flight patterns.Two small colored disks werelaid on thefloorof thebThe researchers released about 50 starved mosquitoes into the box.Mosquitoes don'tstarthunting until they ve smelt carbon dioxide (CO).So,the team sprayed )COinside theAbox as part of the experiment.Cameras recorded where the mosquitoes flew and how they interactedith the colored disks.Whichever disk the mosquitoesflearound ongerould be the colothe insects preferred.区两市中意数煎微甘量地使白空人能g领出中愈数的自文联从文武面T剪阅They found before CO,was sprayed,the mosquitoes ighored all the colored disks.With Co,mosquitoes ignored any disk that was green,blue or purple.But the insects did fly toward disksthat were red,orange or light blue.These colors,apparently were inviting.The mosquitoesseemed to especially like red.ivednobdThe result was beyond the researchersoexpectations because scientists long thought thatmosquitoes relied mostly on body smells and heat to find humans.Now,they know that visionalso plays an important role.uods auds TovvHo0bThere is still much to learn about how mosquitoes see their world.It seems logical thatmosquitoes might be attracted to red since that is the color human skin appears to them.Stillunknown is why they are also attracted to light blue.And,importantly,how might these newdata on color preferences be used to design better mosquito traps?32.What does the underlined ord"thain paragraph 2 refer to?A.identifying various mosquitoes.B.Teaming upithothercoeaCAvoiding being bitte by mosquitoesD.Uncovering ways toaco33.Why did the researchers use carbon dioide inthe experiment?A.To stoosquitoeinay.B Totrackoy共8页

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