;  建议阅读时间 5分钟    测试见IV版A deadly asteroid (小行星) heading (前进) toward the Earth is a common... asteroid (小行星) heading (前进) toward the Earth is a common plot in sci-fi movies, but is this a risk we ……

found the comet had turned its head, moving toward Earth. Its next anticipated return is in around... decades-long return journey toward Earth.Halley’s Comet, officially called 1P/Halley, is one of the most ……

air in every direction before turning toward you for a short moment and then it rotates away again... of a human being in the area around it. That information tells the fan when to turn on and off ……

then, space scientists and engineers have worked toward the dream of making China an aerospace (航空... in space, returned safely to Earth after 21 hours in orbit.First space walk: In September 2008, Zhai ……

DID you turn off the lights in your house on Saturday?March 23 marked (标志) the sixth annual Earth Hour activity. It was held across the world from 8:30 pm to 9:30 pm that day, local time.Earth Hour ……

injured around 950 people in Russia, but it just goes to show how precarious life on Earth is and how... impact injured around 950 people in Russia, but it just goes to show how precarious life on Earth ……

injured around 950 people in Russia, but it just goes to show how precarious life on Earth is and how....?This impact injured around 950 people in Russia, but it just goes to show howprecariouslife on Earth ……

and other old stuff. Also, turning off lights for one hour on Earth Hour Day (March 23 this year) has... toward the global environment, right? But 18-year-old Chen Xiaobin believes that a single person ……

than it is on Earth. She then took it a step further by pouring more water onto the film and turning... will host your lecture today.” Smiling toward the camera, Wang, China’s second female astronaut ……

.C. Finish 20 jumping jacks.D. Run 20 laps around the campus.2. What is the main purpose of the “Wake...’ attitude toward young people’s health?A. Positive (肯定的). B. Critical (批判的). C. Mixed. D. Doubtful.4 ……

of water with the paper and needle floating in it and walk slowly around the house; watch what the needle doesWhat happenedThe needle became “magnetized (磁化的)”The center of the Earth is made of iron ……

of the planet is water.The equator (赤道) of the Earth is 40,000km around. If you ran 1,000 meters a day...让每一天都是“地球日”全版词数 499 建议阅读时间 14分钟EARTH Day is coming on April 22. It is a day to remind people ……

厚厚的大气层象地球的外衣，保护我们不受太阳的辐射的危害。THE atmosphere is a gaseous envelope that surrounds the Earth. It is a collection of gases, vapour and particulates surrounding the Earth. The atmosphere is very important ……

act – turning off the lights for one hour for our Earth.At my school, the Student Union organized events for Earth Hour. First, all the students watched a video about the significance (意义 ……

厚厚的大气层像地球的外衣，保护我们不受太阳辐射的危害THE atmosphere is a gaseous envelope that surrounds the Earth. It is a collection of gases, vapour and particulates surrounding the Earth. The atmosphere is very important ……