Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –y

Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –y

题型:不详难度:来源:
Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –year –old idea, which is not well –known.
A.improved uponB.take downC.put upD.break away

答案
       A   
解析
      题意:鲜为人知是的,爱迪生并没有发明灯炮,而是在其50年前的发明上改进了电灯泡(把灯丝寿命延长到13.5小时)。improve on/upon超过,改进;take down把……拆卸开;put up张贴,搭建;break away摆脱。
举一反三
You’d better ______ some hot water into the teapot in case the tea cools down.
A.addB.fillC.fill inD.put

题型:不详难度:| 查看答案
After retirement, Mr. Mike ______ drawing, which he had always loved but had not had time for.
A.took upB.got upC.help upD.looked up

题型:不详难度:| 查看答案
I tried my best to keep calm in face of the students, but the sweat on my forehead _____ me____.
A.gave; awayB.tuned; downC.showed; outD.shut; off

题型:不详难度:| 查看答案
To get to the top of the mountain, we had to _______.
A.go some walking  B.do a lot of climbing
C.walking a long wayD.doing a lot of climbing

题型:不详难度:| 查看答案
More jobs ______ the school-leavers in the future.
A.will be supplied withB.will be supplied to  
C.were to supply to  D.are supplied to

题型:不详难度:| 查看答案
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.