山西省2022-2023学年度八年级下学期期中综合评估（6LR）英语试卷答案,我们目前收集并整理关于山西省2022-2023学年度八年级下学期期中综合评估（6LR）英语得系列试题及其答案，更多试题答案请关注微信公众号：趣找答案/直接访问www.qzda.com(趣找答案)

山西省2022-2023学年度八年级下学期期中综合评估（6LR）英语试卷答案

以下是该试卷的部分内容或者是答案亦或者啥也没有，更多试题答案请关注微信公众号：趣找答案/直接访问www.qzda.com(趣找答案)

these 43N3is Shuji Nakamura.muect 44of theNakamura was 44 in 1954 in Japan. His dream was to become a physicist. He studiedsedalso 1electronic engineering at university because it seemed close to 45 . Later, he found that mostlast____of the energy used for LED s t urs in to light, not 46. At the same time, he learned that LEDsentft er red an$$L E D _ { 8 }$$This kind of 49and not break as easily as common light bulbs. Then he began to study LEDs.meAfter red and green LDs had been invented, Nakamura 48 to create blue LEDs. He$$D _ { 5 }$$m ____spent years doing experimen s(实验) . Then he used gallium nitride(氮化镓) to make light bulbs.$$D _ { 5 }$$Tscientists won the Nobel Prize in Physics in 2014.41. A. force42. A. produceB.electricitycan produce blue and white light. Finally, in 1993, this hard-working and50 man made it! His invention lit up the world. Because of the invention, he and two other993B.buildC.event D.effort43. A. heroesB.post menC.grow D. improve44. A. bornC.started D.grown46. A. lightB.electricC.pioneers D.volunteers45. A. inventionB.diedC. chemistry D.physics47. A. biggerB.powerC.heatD.electricityB.longer48. A.endedC.shorter D.smallerB.accepted C.refused D.decided49. A. materialB.size C.form D.style50. A.braveB.humor C.patient D.honest

22. What is a visitor services volunteer supposed to do?A. Operate power tools. B.Repair the equipment.C. Keep public areas clean. D.Design relevant brochures.