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College English Listening and Speaking
Course 5 Listening Text (NEW) Recorder ： Cole Win Gao
they hoped to launch 24 missions per year.
Then, on January 28, 1986, disaster struck. The shuttle \exploded 73 seconds after liftoff, killing its seven-member crew, which included schoolteacher Christa McAuliffe. The tragedy shocked the nation and brought the shuttle program to a halt whi1e a presidential commission tried to determine what had gone wrong. The \disaster was traced to a faulty seal in one of the solid rocket boosters, and to faulty decision making by NASA and some of the contractors who manufacture shuttle components. After making several safety modifications, shuttle flights resumed in 1988.
1. What happened to the space shuttle \
The space shuttle \minutes before it was to land, killing all seven astronauts aboard.
2. What did orbiter \
On April 12, 1981 -- exactly 20 years after Gagarin's pioneering flight as the first human in space -- the orbiter \voyage.
3. What was NASA's original consideration in designing the shuttle?
NASA had hoped that the reusability of the shuttle would make getting into the space less expensive.
4. What did NASA later find out regarding the cost of using the shuttle?
However, the cost of developing and operating the shuttle proved enormous, and NASA found it was still a long way from reducing the coast of reaching Earth orbit .
5. What happened to the shuttle challenger on January 28, 1986?
On January 28, 1986, disaster struck. The shuttle Challenger exploded 73 seconds after liftoff, killing its seven-member crew, which included schoolteacher Christa McAuliffe.
6. What was the cause of the \
The \rocker boosters, and to faulty decision-making by NASA and some of the contractors who manufacture shuttle components.
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