Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 5
题型：不详难度：来源：
Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known. | A．improved upon | B．take down | C．put up | D．break away |
|
答案
| A |
解析
| 句意：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 bottle in case the teacools down. | A．add | B．fill | C．fill in | D．put |
|
After retirement, Mr. Smith ______ painting, which he had always loved but had not had time for. | A．took up | B．got up | C．help up | D．looked up |
|
She tried hard to keep calm in face of the students, but the sweat on her forehead _____ her ____.| A．gave; away | B．tuned; down | C．showed; out | D．shut; off |
|
Rachel’s explanation was so confusing that no one could make any of it.| A．meaning | B．message | C．sense | D．information |
|
The TV programme has______on the children as______as the old.| A．a good effect; good | | B．a positive effect; well | | C．a good affect; well | | D．affect; well |
|
最新试题
热门考点