6、脉。【辨析】Gibert electricity, but Edison the electric light bulb.吉尔贝特发现了电,而爱迪生发明了电灯泡。()Bell the telephone in 1876.() Columbus America in 1492.A. invent B. discover C. invented D. discovered【2012 昭通】The light bulb is one of the most useful(invent) in the worl...
Making small talk is a way to start a conversation with a stranger when meeting for the first time. It isn't easy to make small talk with people. You don't know. Sitting by yourself and saying nothing at a party is rude. Making small talk is necessary to build business relations. Mak...
When water moves from a high place to a low place, it makes electricity (电) without pollution. However, people have to build dams (水坝) to make this energy, and building dams is very expensive. Energy from the Earth There is heat in the rocks under the earth. Scientists use the heat...
B. They are too weak to carry electricity. C. They are not suitable to use in batteries. D. Their thinness is a cause of batteries degrade.6. What might be Thai and her team's breakthrough? A. Coating nanowires in gel. B. A new kind of battery. C. New materials for batteries. ...
Soon they were producing electricity. This energy is needed to run their computers. Here is how bicycle - powered energy works. When a student pedals the bike,the back wheel spins. The wheel spins the generator. The generator produces electricity. As long as a student pedals the bicycle,...
14. What is next to the apartment building? A. A restaurant. B. A laundry. C. A grocery store. 15. Which is included in the rent? A. Electricity. B. The Internet. C. Satellite TV. 16. What does the woman think of the apartment? A. It’s quite large. B. It’s well furnishe...
1.What is the main idea of the first paragraph? A. Electricity bills can be highly expensive. B. Most of the electricity in the US comes from fuels. C. Generating electricity does harm to the environment. D. Residential wind power generators are useful and necessary. ...
electricity [,ɪlek'trɪsɪtɪ] n. 电,电能 style [staɪl] n. 样式,款式 project ['prɒdʒekt] n. 项目,工程 pleasure ['pleʒə] n. 高兴,愉快 zipper ['zɪpə] n. (=zip) 拉链,拉锁 ...
Public:Application scenarios include smart metering for water, gas, and electricity; alarms for both security and events like fires and gas leaks; and smart trash cans. Industry:Examples include logistics, asset tracking, and smart agriculture. ...
根据They can even feed the cat and water the plants可知A错误;根据第四段 It can be rather expensive to own the technology and the devices. 可知B正确;根据第三段When you are on vacation abroad, you can use a smart home controller to switch on or off the electricity when necessary.可知C...