How many American astronauts are mentioned in the text? A. 6 B. 8. C. 2. D. 4. 相关知识点: 试题来源: 解析 [答案] A [解析] 推理判断题。文中提到的美国宇航员有Alan Shepard,Jr.,Neil Armstrong,Edwin“Buzz〞Aldrin Virgil“Gus〞Grissom,Edward White和Roger Chaffee,共6人。应当选A。
3、Russian and American scientists.4、On July 16,1969.5、Mars and Venus. 1、[解析] 6-10Through history there have been many great explorers. Have you, for example, heard of Mar co Polo, the famous Italian traveller? He was one of the first Europeans to travel to China. He arrived ...
“Different from many people’s opinion that it is inconvenient for women to take part in long-term spaceflights, female astronauts actually have many advantages over their male partners in space missions,” Pang said. Researches on missions with female members in the past have found many ...
Commander Barry "Butch" Wilmore and pilot Sunita "Suni" Williams were supposed to be on the International Space Station for eight days. They've now been up there for over a month. One of the NASA astronauts stuck on the International Space Station (ISS) for over a month has said she ...
How many NASA moon landings have there been? How many space shuttle flights have there been? How many satellites does Mars have? How many satellites does the asteroid belt have? How much did Skylab cost? How many astronauts died before Apollo 11? How many American moon landings were there?
It is interesting how NASAchose their astronauts for landing them on the moon. They chose men 1 the age of twenty and thirty-five. There were about fifty of them, Many were 2 air pilots. 3were scientists with two or three degrees. NASA telephoned each ma
NASA probably could have placed a woman in space even sooner than the Soviets had the American political and social climate been different. As NASA's director of space medicine, Dr. William Randolph Lovelace proposed the idea of female astronauts in early 1959. He argued that women are smaller...
The North American X-15 program, for example, brought eight military pilots above the U.S. altitude of space in the 1960s. Early test flights on SpaceShipOne, the predecessor to today's Virgin Galactic ships, also flew above the U.S. boundary of space. There are numerous options to ...
Launch the spaceship with three soon-to-be astronauts to a height of 100 kilometers (62.5 miles), the internationally recognized altitude at which sub-orbital space begins. Return the spaceship to Earth safely -- no broken bones on the astronaut, no severe damage to the ship, etc. Repeat ...
NASA probably could have placed a woman in space even sooner than the Soviets had the American political and social climate been different. As NASA's director of space medicine, Dr. William Randolph Lovelace proposed the idea of female astronauts in early 1959. He argued that women are smaller...