1.C "When Benjamin Franklin lived, people did not know much about electricity. Franklin was curious about it." 可知,本杰明· 富兰克林对电很好奇·故选C。 2 C 中 "He had a kite and an iron key."可知,本杰明·富兰克林用了一只风 筝和一把铁钥匙
extcircled(10) When Ben Franklin lived, people did not know much about electricity. Ben wascurious about it. He knew it could make sparks. He sometimes saw the sparks when heput his key into a lock.One day it was raining. Ben looked at a flash of lightning. It looked like a big sp...
Nikola Tesla did not invent electricity, any more than Isaac Newton invented gravity or Henry Ford invented the wheel. Instead, Tesla helped to...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
2.When did people start using wind power? A. About 25 years ago. B. About 80 years ago. C. About 500 years ago. D. Over 1,000 years ago. 3., so we CAN’T use wind power all the time. A. Windmills break all the time B. We can’t use windmills at night ...
The first thing my neighbors and I did was to start eating all of our ice cream, as it was a hot August day and all of it would melt within hours. People Can't Buy Things People using plastic were S.O.L. Those with cash could only buy stuff if the store's cash register was me...
【题文】When you’re not at home, many worries may start to crowd your mind. Did I turn the coffee maker off? Did I lock the door? Are the kids doing their homework or watching television? With a smart home, you can quiet all of these worries. A smart home is a home with a co...
故填witha communication network 57. "More and more people may start to consider owning a smart home because it makes life much more convenient."可知,因为它使生活更加方便。故填 makes life much more convenient 58. 根第 "More and more people may start to consider owning a smart home because...
How did we help to save our earth this week? Let me tell you.First, my family tried to save electricity(电). We never left the lights on when leaving the rooms. We turned off the TV when nobody was watching it. Mum only used cold water in the washing mac
I miss speaker like Carlos Cooks, who was always on the southwest corner of 125th and Seventh, urging listeners to support Africa. Harlem's powerful political electricity seems unplugged-although the streets are still energized, especially by West African immigrants. ...
The towers are giant Tesla coils, named after for the Serbian-American who invented them in 1891. Nikola Tesla created his Tesla coil as part ofa quest to generate and transmit electricity wirelessly. He was also an eccentric character with a flair for showmanship, part of the reason thathis...