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【单选题】
Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue ONLY ONCE. 听力原文：W: Look here, darling. The paper says people tend to feel unwell if they sleep less than six hours a day. M: That may be true for you, but it certainly isn' t true for me. What can we conclude from the man' s reply?A.
He wants to have more sleep.
B.
His wife doesn't sleep well.
C.
Women need more sleep than men.
D.
He doesn't need as much sleep as his wife.
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举一反三
【单选题】若将“DO SWAP WITH A，(B)”改为“DO SWAP WITH A，B”，则A，B的输出结果为 ______。
A.
10 20
B.
20 20
C.
20 10
D.
10 10
【简答题】（b+20）×4=4b+20×4．______．
【简答题】水箱清洗的目的是什么？
【简答题】中和清洗的目的是什么？
【单选题】下列程序的执行结果为 a=10 b=20 If a ＜ ＞ b Then a=a + b Else b=b-a Print a，b
A.
20 20
B.
30 20
C.
30 40
D.
15 15