题目

阅读下面短文，根据上下文填入适当的词语，或使用括号中的词语的适当形式填空，并将答案填在标号为31-40的相应位置。The American space agency opened for business on October first, 1958. NASA’s most important job was to    31 an American into space and return him safely to the earth. Project Mercury was the plan    32     doing this. It would use one of several dependable military rockets to launch a small, one-man spacecraft.    23  space vehicle would return to the earth and land in the ocean. Astronauts would be chosen for the program from the best military test pilots    34 had education in science or engineering.The idea was simple. But making   35   happen was not a simple job. Thousands of scientists, engineers, technicians and other workers were needed. And money was needed―thousands of millions of dollars. Congress approved the money. NASA organized the program. The McDonnell company designed   36   built the spacecraft. The Army and Air Force built the Redstone, Jupiter and Atlas rockets. NASA announced the seven    37   chosen on April ninth, 1959. They immediately began training for space flight.No time was wasted. The first test flights began later that year. Those test flights did not   38    astronauts. Men would fly the Mercury spacecraft only after it was proved safe. The   39   test flight was made at the end of January, 1961. A Mercury spacecraft carried a chimpanzee  40  Ham on a seven-hundred-kilometer flight over the Atlantic Ocean. There were some problems. But the animal survived the launch and the landing in the ocean.   答案：31.send        32.for                33. The        34. who                      35. it   36. and         37. astronauts    38. carry      39. final/last                 40. named/called

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