Environmental Transformation: From Soil Erosion to Ecological Restoration A total area of 268,800 square kilometers of water and soil erosion and 544,900 square kilometers of forest and grassland vegetation have been treated. Both area and intensity of soil and water erosion are “double decreased...
such as thesperm whaleand thekiller whale(ororca), hunt in the same basic way assharks. They have a row of strong teeth, and they tear into their prey or swallow it whole. Many toothed whales eat only small fish and other easy-to-catch prey. Orcas, on the other hand, ...
I have flash cards on everything from how many kilowatt-hours it takes for a car to travel 100 kilometers, to the definition of the term “pollyanna,” to the history and culture of the islands of New Caledonia. 我有关于一切的闪卡,从汽车行驶100公里所需的千瓦时数,到术语“波利安娜”的定...
(1)根据第一段China has many rivers.A total of 45,203 rivers run across the country.(中国有许多河流。全国共有45203条河流。)可知,中国有45203条河流。故填45,203.(2)根据第二段The most famous ones are the Yangtze River and the Yellow River.They are the"mother rivers"o...
with many gaining as much as 10 ha each. According to one Brao villager, the Khmers often sold small holdings of much more expensive land in the south and then used the money to buy larger amounts of cheaper land near the village. The village headman reported that sometimes the profit fr...
Alight-yearis the distance that light can travel in one year — about 6 trillion miles (10 trillion kilometers). It's one way that astronomers and physicists measure immense distances across our universe. Light travels from themoonto our eyes in about 1 second, which means the moon is abou...
Nagano is the perfect place to go to experience Japan's great outdoors year-round, including winter sports. Learn about how to get there, 25 of the best spots to visit, ski resort information, and other useful information on traveling in this gorgeous pr
After two minutes of flight time, the rocket is 40 kilometers (25 miles) high. At this point, the crew tower disconnects from the main rocket body. The second stage of the rocket, however, continues to fire, subjecting those onboard to gravitational forces three times stronger than those...
52.many 53.eighty 54.villagers 55.Every 56.minutes 57.buses 58.rivers 59.hundred 60.drives61.kilometersfrom 62.thinkof 63.aten-year-old 64.between;and 65.cometrue 66.doesn’ttake 67.Do;drive 68.Howdoes 69.Howlong 70.walksto Onepossibleversion:DearJim,HowdomyclassmatesandIgotoschool?Letm...
“I can’t think of anything that excites a greater sense of childlike wonder than to be in a country where you are ignorant of almost everything. Suddenly you are five years old again. You can’t read anything, you have only the most rudimentary sense o