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炎德英才大联考·长沙市一中2024届高三月考试卷(三)2英语答案
炎德英才大联考·长沙市一中2024届高三月考试卷(三)2英语答案正在持续更新,目前金太阳答案为大家整理了相关试题及答案,供大家查缺补漏,高效提升成绩。
two to three antennas (that could be fitted in existing Wi-Fi networksThe detection system analyzes what happens when wireless signals go through and bounce off objectsor materials.The approach,which the paper states,works by separating the wireless interference (caused by two factors of objects-the material and shape."Most dangerous objects such as weapons areusually metal or liquid,which have significant interference,"researchers said.When it was tested on a backpack,the accuracy rate topped 95 percent."But the accuracy dropped toabout 90 percent when objects inside bags are wrapped.And the tech could save lives if used in museums,stadiums,theme parks or schools,"the team said,noting its design can inspect bags or luggage withoutbeing an exposure to privacy.It uses channel state information (CS)that is readily available in low-cost Wi-Fi devices."This couldhave a great impact on protecting the public from dangerous objects,"said Yingying Chen,a co-author ofthe study,"There's a growing need for that now.In large public areas,it's hard to set up expensivescreening equipment like what's in airports.Manpower is always needed to check bags and we want todevelop a method to try to reduce manpower."The peer-reviewed study,which recently won a best paper award at the 2018 IEEE Conference onCommunications and Network Security,is now published online."Future work will continue to focus onimproving the accuracy of identifying objects and imaging shapes and volumes,"researchers said.32.What does paragraph 3 talk about?A.The function of the technique.B.The way the device works.C.The principle the study is based on.D.The benefit of the study findings.33.What's the advantage of the device?A.It saves people in danger of natural disasters.B.It passes through bags without damaging themC.It uses antennas to pick up networks'signals.D.It protects personal information from being exposed.34.What is Yingying Chen's attitude toward using the new device??A.Indifferent.B.Opposed.C.Supportive.D.Doubtful.35.Which of the following is a suitable title for the textA.Wireless Signals to Judge Metal Objects.B.A Wireless Device for Identifying Danger.C.Antennas to Be Fitted in Wi-Fi Networks.D.Devices for Improving the Accuracy of Identifying Objects第二节(共5小题,每小题2.5分,满分12.5分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。How is eating in space different from eating on Earth?If you send astronauts into space,you have to send along food as well.But what do astronauts eat,andhow do they eat it?Scientists take several factors into consideration as they plan meals for space.First,and possibly most important,is nutrition ().36 Providing junk food to eat,suchas potato chips,sodas,and pizza,would make the astronauts unhealthy.高二英语学科试题第6页(共10页)
