A: Should I take some medicine? B: No, you don't ( )to take any medicine.A. shouldB. mustC. need
A: Should I take some medicine? B: No, you don't ( )to take any medicine.
A. should
B. must
C. need
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1、利用艾拉托斯特尼筛法无穷素数列表primes （参见讲义第8章) 获得介于100000和200000之间素数的方法是A．take 200000 (take 100000 primes)B．take 100000 (take 200000 primes)C．take 100000 (drop 100000 primes)D．takeWhile (\x - x = 200000) (dropWhile (\x - x = 100000) primes)E．takeWhile (\x - x = 200000) (take 200000 primes)F．[x | x - primes, x 100000, x 200000]G．[x | x - take 200000 primes, x 100000, x 200000]