The sun is a great energy source for Earth.But it's not easy to get its energy because the sun doesn't work at night, often hides behind clouds and, in some places, doesn't show up for months at a time. German scientists built the world's largest " artificial(人造的) sun" in201...
B The sun is a great energy source for Earth. But it's not easy to get its energy because the sun doesn't work at night, often hides behin d clouds an in some places, doesn't show up for mouth at a time. German scientists built the world's largest "artificial(人造的)sun" in ...
He’d moved to Southern California from Kentucky to pursue a career in music, but he soon fell on hard times and ended up living on the street for more than a decade. “I saw beauty on the face of a man who h...
Myth No. 6 (Fuel/Ignition Source): Any Amount of Suppressant Is Better Than None - ScienceDirectinertingsuppressionchemical inhibitorthermal inhibitorlimestonesodium bicarbonatemonoammonium phosphateminimum inerting concentrationsuppressant enhanced explosion parameter...
4. What does the woman suggest the man do? A. Turn off the machine. B. Buy a new machine. C. Ask someone else for help. 5. Where does the conversation probably take place? A. At home. B. In a restaurant. ...
Also, when we take fossil fuel from the Earth, we often cause a lot of harm. Another problem is that we're running out of it. A big source of energy for many countries is nuclear power(核能).Thirty-one countries use nuclear power. A lot of ships also use it.Nuclear power has some...
One problem is that when fossil fuel is burned, it pollutes the air. Also, when we take fossil fuel from the Earth, we often cause a lot of harm. Another problem is that we’re running out of it. ① A big source of energy for many countries is nuclear power (核能): Thirty-...
As a 5-Star Hotel in Kenya, Pax Manor provides exceptional hospitality and places you at the heart of some of the country’s most captivating attractions. Whether you’re a nature lover, history enthusiast, or foodie, the surrounding area has something to captivate every visitor. Join us as...
While not as popular or widely used as EVs,FCEVsare gaining traction around the world. Like EVs, they’re powered by electric motors however instead of plugging into an external power source to recharge the electric battery, FCEVs use a built-in fuel cell to generate power. This takes...
Perhaps the first step is that students should be educated to use technological devices in a rational way. 【解析】 本次四级作文考查的是现象影响类的论说文。题目给出的是一个负面的现象——人们沉迷于科技产品。采用三段式:开头段引出负面现象并发表自己的看法;第二段,即主体段论述该现象带来的负面影响...