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What was the possible reason for the shuttle disaster?
What was the possible reason for the shuttle disaster?
admin
2013-07-19
55
问题
What was the possible reason for the shuttle disaster?
NASA’s brightest investigators have toiled for six months to find out what caused the shuttle disaster. (29) The leading theory was that a block of foam fell from the external tank and was so severely that Columbia could not reentry. Today, in the most dramaticTEST so far, (30)NASA simulated the forces at play. The foam, fired at 500 miles an hour into the reinforced carbon tunnel of a shuttle wing. The results left investigators astonished but also relieved. They now believe they’ve proved their theory of what caused Columbia to disintegrate high above Texas on the morning of February 1st with the loss of all seven astronauts aboard.
选项
A、Columbia could not survive reentry.
B、A block of foam damaged a wing.
C、The aircraft disintegrated in the sky.
D、The external tank was made of reinforced carbon.
答案
B
解析
细节题。根据新闻中提到的“多数人认为失事的原因是一块泡沫材料碎片从机身外壳脱落从而严重撞毁了机翼”这点来找到正确选项B项。而后面的实验又进一步证实了这一假设。
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0
专业英语四级
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