积冰可以发生在任何飞行所能到达的高度，最容易发生在（）英尺
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在起飞前（）分钟内，必须完成起飞前污染物的检查
A. 3
B. 5
Conrad（）
A. owns his own company
B. enjoys working in advertising
C. thinks his job is boring
D. wants to leave his job
Albert（）
A. didn't borrow $100
B. isn't working now
C. doesn't need the money
D. can't return the money yet
以下几条英文，哪一个指的不是三分球（）
A. Three-point shot
B. eyond the yard
C. Shot from 24 feet away
D. slam dunk
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