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News 4 Have you ever thought of being able to fly around the world in a few hours? One day, maybe you can. Last Saturday, the American X-43A airplane made its first flight. It reached a speed of 8,000 kilometers per hour. This makes it the fastest plane in the world.X-43A is only three to four meters long, but it's very heavy. It weighs 1,270 kilograms. 请根据短文内容，选择最佳答案, 将答案写在括号内。(每小题1分，共5分) ( )1.The satellite sent by China will move around ________. A. the moon B. the earth C. the sun D. the mars ( )2.The speed of the fastest plane in the world is ______. A.1.4 kilometers per second B.43 kilometers per minute C.1,270 kilometers per hour D.8,000 kilometers per hour ( )3.The checking of textbooks,dictionaries and children's books will _____. A. make a lot of money B. make the children sad C. make sure there are no mistakes in them D. make sure the books are not too expensive ( )4.Which of the following statements about the new star is NOT true? A. It will go around the moon. B. It will stay in space for two years. C. It costs a lot. D. It will go into space by December 2006. ( )5.Yuan Longping won the World Food Prize because ___________. A. he likes to eat hybrid rice B. he is a successful father C. he grows more rice than others D. he developed the world's first popular and widely grown hybrid rice (责任编辑：admin) |