【正文】
tening, I ______ to VOA Special English every night. A. turn in B. pick up C. receive D. tune down 6. After a month’s preparation, Dr Brown ______ write his book on idioms. A. look forward to B. got down to C. came up to D. set out to is ______the problem lies. A. where B. when C. what D. how I say is ______with what I do. A. agree B. same C. consistent D. equal people hold the belief ______one good turn deserves another.(好心有好報 ) A. whether B. what C. that D. which 10. Our physics teacher is popular with us, because he can make the ______ knowledge easy to understand. A. advanced B. random C. glory D. abstract 11. ______ happened to be no one but me in the room when the fire broke out. A. There B. It C. What D. We headmaster often tells us to ______ your chances while you can. A. miss B. follow C. grasp D. consult 13. The city government has decided to _____ a campaign of planting trees ______ to prevent more and more sandstorms. A. set。 off B. set。 on D. range from。s surface. Once it lands, the shell will open, and the rovers will e out. What we tried to do was take everything you39。s bag on earth and make a robotic field scientist for Mars, said Steven Squyres, a NASA scientist. Each carries nine cameras, which will send pictures of Mars back down to Earth. One camera sits on the tip of each robot39。Don39。, said Squyres. The wheels on each of the 180kg rovers stand at about 25cm tall. And they move slowly — around 5cm per second. The MER robots are able to dig, in any rock, holes about 45mm wide and 5mm deep. This will allow researchers to study material that has been untouched by the extreme Martian (火星的 ) weather. During Mars39。ll have to work late and conduct experiments in the dark. They will roll on Mars for 90 days. Water on Mars? In June 2021, NASA announced its discovery of water on Mars. Scientists believe that vast stores of water still exist below the surface. If the discovery is confirmed (證實(shí) ), it would be a big step for NASA. Without water there can, and never could have been, any life. 44. The first scientists designed to visit Mars this summer are going to be ______. A. two scientists of NASA B. a pair of twins C. two pilots. D. Two metal robots 45. The main task of the MER is _____________. A. to take some pictures of Mars. B. To test the robots. C. To seek out any signs of water. D. To dig holes in Mars. (共五小題;每小題 3分,滿分 15分) Beijing39。 時 間 進(jìn)展情況 20世紀(jì) 50年代 中國人構(gòu)想進(jìn)入太空計劃 1999年至 2021年 發(fā)射了三艘無人飛船。 2021年 10月 15 日至 2021年 10月 16日 第一艘載人飛船 ―神舟五號 ‖發(fā)射并成功地返回地面,實(shí)現(xiàn) 了夢想。第二艘載人飛船 ―神舟六號 ‖發(fā)射并成 功地 返回地面。 注意:( 1) 詞數(shù) 120左右 ( 2)參考詞匯;無人 unmanned 載人 manned 飛船 spacecraft 發(fā)射 launch(vt./n.) 神舟五號 ShenzhouⅤ 神舟六號 ShenzhouⅤ I