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31.Which of the following can be a suitable title for the text?33.What does the underlined word "incentive"in Paragraph 2 probably mean?A.Transforming Graduates'HabitsB.Carl Wieman's Nobel Prize JourneyA.Motive.B.Issue.C.Crisis.D.Policy.C.The Nobel-Prize Winner's Struggles D.Carl Wieman's Education Innovation34.What is Paragraph 2 mainly about?DA.The recycling process of plastics.Since the 1950s,some 9.2 billion tonnes of plastic have been produced globally,of whichB.Pollutants contained in recycled plastics.only about 10%has ever been recycled.Yet environmentally conscious companies and consumersC.Reasons why users dislike recycled plastics.。continue to look to recycling as a way to ease the plastic problem.Manufacturing giantsD.Contributing factors to low plastic recycling rates.claim to be committed to making more of their products and packaging from recycled35.What will the environmental critics be happy to see according to the text?materials.However,this confidence masks()a complex web of issues around plasticA.Using metal or glass food containers.recycling.Recycling rates remain extremely low and critics argue that we should look atB.Littering recycled plastics in a landfill.alternative ways to tackle plastic pollution.C.Processing plastics in a mechanical way.While many plastics have the potential to be recycled,most are not because the processD.Launching campaigns to promote recyclability.is costly,complicated and the resulting product of a lower quality than the original.Despite第二节（共5小题；每小题2.5分，满分12.5分）rising demand for recycled plastic,few waste companies turn a profit.Part of this is阅读下面短文，从短文后的选项中选出可以填人空白处的最佳选项。选项中有两项为because virgin plastic-linked to oil prices-is often cheaper than recycled plastic,meaning多余选项。there is little economic incentive to use it.Worse yet,much of our plastic waste is difficultHave you ever caught a smell of something and been strongly reminded of a person orto recycle.Lightweight food packaging,like a mozzarella packet,contains different plastics,place?There seems to be a deep psychological link between smells and our memory.Somedyes and toxic additives().This dirty mix means plastic recycled through mechanicalresearch even suggests that smells can influence our cognition(认知，感知).methods-the most common form-can only be melted down and moulded again a couple of36 Roja Dove,a perfumer,informed the BBC that when we are born,thetimes before it becomes too fragile to be reused.And the nature of the process means plasticolfactory bulb ()which is the area in our brain that processes smell,is empty,recycling has a carbon footprint of its own.without pre-existing information or association.37 When we smell an odour again,theGiven all of these difficulties,environmental critics say recycling is not the solution-original and unique memory comes flooding back because of the association acquired in ourand argue that creating more products from recycled material to attract environmentalprevious experience.consciousness merely worsens the problem."The solution is to use less plastic and to stopOur awareness of smells is primarily unconscious.38 But,low-level smells aremisleading the public about the recyclability,"says Enck,president of Beyond Plastics,astill picked up because the scent receptors()in our brain are so powerful that weUS campaign group with a mission to end single-use plastic."They should stop makingunconsciously register them.In fact,various studies have found the olfactory bulb sendsfalse claims about the recyclability of plastics since they know most will either be littered ormore neurons()to more areas of our brain than our hearing or vision.burned or landfilled ()Using less plastics means shifting to reusable products andResearch suggests that the power of smell can also affect how the brain performs.39relying more on paper,cardboard,glass and metal-all of which should be made fromMark Moss at Northumbria University's Psychology Department discovered that certainrecycled content."essential oils,such as peppermint,positively impact cognition,and rosemary's scent can32.What is an environmentally conscious customer's attitude towards recycling plastics?enhance memory.He also studied lavender,which he says "tends to impair memory andA.Suspicious,B.Favorable.C.Indifferent.D.Disapproving·slow reaction time".But research by others has shown it to be useful in reducing pre-treatment英语试题第7页共12页英语试题第8页共12页