可知此处说的是生产纸袋的情况,“制作,生产” 用“produce” 或“make”,作主语要用动名词形式,所以填 Producing 或 Making。第 5 题,由“However, it takes even more energy and water to go through the recycling process than to make a brand - new paper bag” 可知,制作全新纸袋比回收过程消耗更少...
(PhysOrg.com) -- Astronomers have witnessed odd behavior around a young star. Something, perhaps another star or a planet, appears to be pushing a clump of planet-forming material around. The observations, made with NASA's Spitzer Space Telescope, offer a rare look into the early stages of...
The Special Collection "Building Planets: The dynamics and geochemistry of core formation" aims to combine cutting edge experimental, analytical, and modeling results with review articles defining the state of the science and current challenges to our understanding of the origin, geophysics, and ...
into the sky.Rockets can fly far out into space.They send spacecrafts to the moon.Spacecrafts with men in them have been to the moon.Several spacecrafts without men in them have flown to another planet much farther away than the moon.One day men may be able to go to any places in ...
Use blue and green modeling clay to make Earth. Most of Earth is water, causing the planet to appear largely blue; you can add spots of white to re-create the appearance of clouds. Earth is close in size to Venus and orbits very close to it. ...
The compositions of meteorites show that volatile compounds of carbon, nitrogen, oxygen and hydrogen should be abundant in rocky planets, and could be released during and after accretion of the planets themselves to give primitive atmospheres and oceans. The earliest atmospheres would have contained ...
He is well known for his demotion of Pluto to a dwarf planet. Tyson said not deleting Pluto as a “planet” would insult all the other planets in the solar system. The decision to reclassify Pluto was not meant to diminish its significance but rather to clarify the definition of what mak...
How to Make a Little Planet Okay, back to the instructions. First you need to open your image in Photoshop and alter the proportions of your photo so that it becomes a square. To do this go to Menu > Image > Image Size. Once the Image Size pop-up window opens, make sure you deact...
planet and good for your health. Then there are some ‘bigger picture’ changes that are also very easy to make, which add up to making the world a better place. Bank with an ethical bank; take more local holidays; try to avoid single-use plastics; reduce, reuse and recycle; support ...
If you can, go into an outdoors store to try on a range of backpacks for size and fit. A rucksack that your 6ft-tall, broad-shouldered travel companion finds comfortable might not be right for you if you have a much smaller frame. Make sure you spend time adjusting the shoulder straps...