Wind is very important but so are two scientific words: gravity(重力) and lift(举力).When something is in the air, gravity is what pulls something back to the ground.you throw a ball in the air, it comes back down because of gravity. When leaves ___ trees onto the ground, that's ...
f(x)Wind power is a very clean source of energy. This is how wind power works. Wind makes windmills spin(旋转). When the windmills spin, they make electricity. 1 A lot of people think that wind power is new, but that's not true. For thousands of years, people have used wind to ...
Besides those, research is being done on the ocean's wind, solar and thermal energy.除此之外，人们还在研究海洋的风能、太阳能和热能。One company in particular, Blue Rise a specialist developer of ocean thermal energy conversion, is working on a project that could completely phase out the use o...
Dandelions travel with wind Cockleburs travel with water Chestnuts travel with animals Coconuts travel by themselves 三、短文填空 We know seeds are very important for us. Some plants have more ___ than other plants. Lit...
Wind is very important but so are two scientific words: gravity(重力) and lift(举力). When something is in the air, gravity is what pulls something back to the ground. ___ you throw a ball in the air, it comes back down because of gravity. When leaves ___ trees onto the ground, ...
Today, big wind turbines make electricity(电) for us.There are three reasons that wind energy is important. First, we will always have wind, so wind energy will not run out. It is a renewable energy. Next, wind does not cause any pollution. It is good for the Earth. Finally, wind ...
根据前文的We all know that it is important to get exercise.我们都知道锻炼很重要。可知,此处 表示做运动非常棒,作为系动词are的表语,用形 容词wonderful:极好的. 2 答案:encourage 解析:句意:当我们做运动时,如果我们做运动做 得不好,我们的朋友会鼓励我们。 根据后文的 there will be friends to give...
Have you ever wondered how a kite stays in the air? Wind is very important but so are two scientific words: gravity(重力) and lift(举力). When something is in the air, gravity is what pulls something back to the ground. ___ you throw a ball in the air, it comes back down because...
Then they make a report about theweather.The weather in Shijiazhuang changes alot,so it's difficult for them to get the data.23.Why is weather data very useful to visitors?Sometimes they have to walk in the wind and24.What's the subtitle(小标题)for“▲”?snow.Look at the chart to ...
I am as old as the Eastern wind and as young as a newborn caterpillar.嘿Siri，你多大了啊？我像东风一样老，也像新生的毛毛虫一样年轻。And if you want to sound more fluent and more natural when you speak English, then connected speech is a really good place to start.In the first ...