A. People on the earth use more and more water. B. In the future lots of people will live on the Moon. C. The water will be a supply for future human exploration in space. D. Because the water is mixed with poisonous methanol. ...
Well, my country has the world's largest population .Additionally, you won't be able to find another nation like China with its vast diversity in culture, language, customs . The simple and amiable people who represent the country are quite helpful to others. Our country has a vast diversit...
Promise you won't look to me for guidance through the swamps of personal finance. Like Pooh, I am a bear of very little brain, so much so that when I started writing this column, I had to promise not to deal in specifics.Macinnes, Donald...
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The Sapa people say that once upon a time the moon was close to the earth, near their village It liked to be near people. But one day, a 4.___ (old woman poked(戳) the moon by accident with her broom(扫帚) when she was 75.___(clean) her house. The moon started to cry. ...
A black hole is created when a large star burns out. Like our sun, stars are unbelievably hot furnaces (熔炉) that burn their own matter as fuel. When most of the fuel is used up, the star begins to die. The death of a star is not a quiet event. First there is a huge explosion...
phase. Very rarely, if the conditions are just right, you may also be able to see an actual Full Moon very close to the horizon and opposite to the Sun, duringsunrise or sunset. In general, however, the Moon is alwaysbelow the horizonwhile theSun is upon the date of the Full Moon....
1. Why are there many stories and poems about the Moon according to the text? A.Because people in the past wanted to live on it. B.Because people like it and want to know about it. C.Because people in the past couldn’t understand it. ...
Currently, with Mars becoming the eventual long-term goal, serious questions exist as to whether the dangers of the settlement on the moon are too extreme and unnecessary. One major reason the settlement on the moon is too dangerous is the difference between the atmosphere environment of the ...
If you look at it across the room,itlooks small.The moon moves around the earth. It makes onetrip in about four weeks. The moon looks flat(扁的).tous. But it is a round ball,like the earth.People once thought the moon had fire(火) on it.They thought the ...