A、should not
B、don't need
C、have not
第1题:
A.any, any
B.some, any
C.any, some
D.some, some
第2题:
A.turn…on
B.take…off
C.take…out
D.pick…out
正确答案:C
第3题:
第4题:
Do you have ______ shrimps? ---Here they ______ .
A、any,are
B、some,is
C、any,be
D、some,are
第5题:
A、some, some
B、any ,some
C、some, any
D、any,any
第6题:
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]