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【单选题】
以下描述正确的是 ( )
A.
缓慢型失压是指逐渐失去客舱压力,它可能是因为金属疲劳,炸弹爆炸或武器射击而引起的密封破裂
B.
缓慢型失压是指迅速失去客舱压力,它可能是因为金属疲劳,炸弹爆炸或武器射击而引起的密封破裂
C.
急速型失压是指迅速失去客舱压力,它可能是因为金属疲劳,炸弹爆炸或武器射击而引起的密封破裂
D.
急速型失压是指逐渐失去客舱压力,它可能是因为金属疲劳,炸弹爆炸或武器射击而引起的密封破裂
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/w?k/
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【简答题】Fill in the blank. The first letter of the missing word is given. At the moment,there are no drugs w________ (at all) which can slow the pace of brain decline in Alzheimer's disease.
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/w?:k/
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/w?k/
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/we?k/
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【简答题】Heis being a fool. In other w _____, he is behaving foolishly. (Fill in the blank with one word which best completes the sentence.)
查看完整题目与答案