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【单选题】
执行以下程序,输入 ”93python22” ,输出结果是: w = input(‘ 请输入数字和字母构成的字符串: ’) for x in w: if '0'<= x <= '9': continue else: w.replace(x,'') print(w)A.
9322
B.
93python22
C.
python
D.
python9322
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反馈参考答案：
举一反三
【单选题】I ( ) my hometown for a long time. I really miss it.
A.
went away from
B.
have been away from
C.
have left
D.
have been left
【简答题】（）阀的主要作用是控制油液的流动方向，使其单向流动。
【单选题】I my hometown for a long time. I really miss it.
A.
left
B.
went away from
C.
have been away from
【简答题】一个无限长的直导线与直角三角形导线框在同一个平面内，导线框的一个直角边与直导线平行，如下图所示。求直导线与导线框间的互感。
【单选题】I ____ back my hometown for a couple of years. I miss it a lot.
A.
have gone
B.
haven’t gone
C.
have been
D.
hasn’t been
【单选题】I _______ my hometown for a long time. I really miss it.
A.
left
B.
went away from
C.
have left
D.
have been away from
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