At the site,the printer will work on three houses at the same time,each with a differentdesign.The printer can produce layers()of the company's custom,low-cost material tobuild walls as high as 8.5 feet and as wi.-wideas 28 feet;the walls for a single small house will becompleted over 24 hours.For now,the rest of the house is built traditionally.Workers prepare the site and lay afoundation,and after the walls are printed,they add the roof,windows,doors,and electrical,andplumbing systems.Automation(自a动化),combined with the low cost of the material,means that houses canbe meaningfully less expensive to build.Though the technology is still at an early stage,peoplebelieve that it will ultimately()be possible to print a home at half the cost of traditionalconstruction,in half the time.When Shea toured the home where he will live,he immediately noted the differences fromhis life in an RV.“I was talking to one of the mechanics(机械工),who said,‘you'll neverhave to worry about seeping,like in an RV,where wind or rain is easy to come in.'"There are more than 200 homes in the community now,and as it expands to add more than300 additional homes,Shea is moving into the new section to help welcome new residents28.What is the advantage of the 3D-printed houses over traditional ones?A.The lower cost.B.The larger space.C.Being much easier to move around.D.Being more comfortable to live in29.What can wenferabout the 3D-printed houses?A.There are altogether 200 such houses in the world.B.The technology of building these houses has matured.C.They have a serious impact on the traditional housing.D.They are combinations of modern and traditional technology30.What does the underlined word "seeping"in paragraph 7 probably mean?0A.Falling.B.Leaking.C.MovingD.Changing.2022年普通高等学校招生全国统一考试预测卷英语试题第7页共13页