故答案为When was it invented?(3)Who was it invented by 根据答语Oh, it is well known that it was invented by Alexander Graham Bell.哦,据说是被Alexander Graham Bell发明的.可知询问了谁发明了电话.故答案为Who was it invented by?(4)No,I don't thinks so.根据上文Do you think it was ...
Milestones were placed every few kilometers. Themilestones let travelers know how far they were from ancient Rome.After cars were invented, signs became more and more important. Driverswould get lost without signs. As a result, Americans began to place signs on busyroads. Early signs were made...
When were chopsticks invented?In fact, before the invention of chopsticks, Chinese ancestors actually used hands to eat, but how did they eat soup and porridge? Chinese Started to use chopsticks about 3,000 years ago in the Shang Dynasty.Who invented chopsticks?
After cars were invented, signs became more and more important. Drivers would get lost without signs. As a result, Americans began to place signs on busy roads. Early signs were made of wood and were placed on iron columns (铁柱子). In the 1920s, Americans made the first manual (手册)...
It's hard to imagine a world without traffic signs.You may want to ask: When were traffic signs invented?It may sound strange, but the first road signss weremilestones. They were used in ancient Rome(古罗马). Backthen, ancient Romans travelled on horseback or on foot. People placed...
Unit 6 When was it invented? (基础) 语法填空 A The first bike appeared over 200 years ago. At that time it 1.___(call) “the horse on wheels”. 2.___(late), the bike became very popular. People liked bikes 3.___ they were not as expensive as horses. They wouldn'...
3 there is no pollution at all when someone is riding.Even so,in developed 4 ,most people don’t travel to work by bicycle.It is not because the bicycles are expensive or people feel 5 if they ride to work.It’s because the 6 of cars on the roads becomes larger. 能力提升 -- 第...
1。 (电拖鞋)were invented last year。 2.Knives (被用于)cutting things. 3.Telephones (被发明)in 1876. 4.Have you heard of (可以调节鞋后跟的 鞋)? 5。They are used for (改变鞋的式 样)。 6.The (电池供电的)tennis racket is Li Ming’s invention. 四.句型转换(改为被动语态)...
forestpreservesoralongcountryroads. Gardening Contrarytopopularbelief,youdon?thaveto travelbeyondyourownbackyardtoexperience thebeautyofnatureeveryday.Ifyourpersonality islessadventurousoryour mobilityrestricted, considerplantingagardentogrowyourownvegetables,fruit,herbs,orflowers.There?ssomethingtrulysatisfyingabout ...
20、 be finish C. is finished D.be finished( )9. Working people_the history,A. made B. created C. invented D. discovered( )10.Will you go to the dinner party? -I wont go until I_. A.am invited B.will be invited C.has invited D.invite( )11.The poor workers were made_day ...