In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.（）
A. book
B. moody
C. look
D. cook
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We are at your service. Don't （）to turn to us if you have any further problems.
A. beg
B. hesitate
C. desire
D. seek
— Hey, you haven't been acting like yourself. Is everything OK —（）.
A. I'm fine, thanks
B. Sure, it is
C. That's good
D. It's OK
从给出的几句话中选出没有语病的一句( )。
A. 这位老营业员的做法是值得尊敬和学习的
B. 这里的每样东西对我都感到亲切可爱
C. 既然学习古人的主要目的是今用，古文、现代文、古诗词和新诗编选的比例就要适当
D. 过去农村分散生产，使生产不能达到迅速的发展，农民的生活不能达到满足的要求
This area experienced （）heaviest rainfall in （）month of May.
A. 不填; a
B. a; the
C. the; the
D. the; a
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