and paint on them.d. The literati could paint nothing but landscapes.A. ab B. bc C. cd D. adDay 4‘Ice’ could fuel Earth (P6)Choose the answer:1. What is combustible ice?A. It is a kind of real ice.B ……

. In fact, combustible ice is a valuable and hard-to-get kind of fuel (燃料). Last month, China... of natural gas.Scientists believe combustible ice can burn cleaner than regular fuel, because it makes ……

A HUGE amount of combustible (可燃的) ice has been discovered under the sea east of the Peal River mouth basin in Guangdong, People’s Daily reported. It’s not ordinary ice – it is actually natural gas ……

said. The air on Mars is made up of 95 percent CO2. If we could turn CO2 into fuel, we could travel... is made up of 95 percent CO2. If we could turn CO2 into fuel, we could travel the long journey from ……

coldness.B. It could be used to store and supply fuel in space.C. It could help rocket engines cut... be used to store and supply fuel in space.C. It could help rocket engines cut energy consumption.D ……

wanted to prove that if the fuel (燃料) that is used to power ice resurfacers (冰面修整车) is different... at different places of the ice surface. “Only in this way could I get the exact result,” she said ……

to explore Saturn's neighbourhood for four years but could go on longer, until it runs out of fuel....45 billion kilometres from earth. Huygens arrival marked the longest distance from Earth ……

(温室气体) levels, sea level rise, Antarctic sea ice loss and glacier retreat (冰川消退). According to the report, it was the fossil fuel pollution (化石燃料污染) that brought about “climate chaos (混乱)”. Saulo ……

如果地球上所有的冰都融化了……如果地球上所有的冰都融化了……The ice on Earth is very important to our planet. What would happen if all the Earth’s ice melted? PAGE 3The ice on Earth is very ……

, can. There are rich reserves of this kind of ice, both on earth and under the sea. It might mean..., chief scientist of the China Geological Survey. He said it could cause the Earth’s temperature ……

and security of space and other countries. Russia has suggested the shoot down attempt could be cover... a damaged spy satellite that is expected to hit the Earth in early March. The satellite, which contains ……

: 1.1 tonsContains 500kg of a toxic fuel componentExpected to return to Earth on March 6.... But some countries worried it was an attempt to test an anti-satellite weapon — one that could take out ……

either been damaged (损坏) or fallen back to Earth afterward. This is one of the reasons why space... rocket in a test flight in Texas. The flight “could completely change spaceflight (太空飞行)”, reported ……

was the fuel released from the SpaceX rocket that had been launched from California, US, about three hours before the spiral appeared, reported The Guardian.  It was just a cloud of frozen fuel ……

沙漠植物用处多。词数 333 测试见7版 建议阅读时间 7分钟 The population of Earth is still going up and scientists... are increasing in size due to changes in Earth’s climate. Growing plants there will become more ……