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【判断题】
男少年运动员贫血检出率低于女少年运动员( )A.
正确
B.
错误
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【简答题】There are many signs in public places. You should know their meanings(意思). Or you will get into trouble(麻烦). For example, you will see the following(以下的) two signs on the wall in a hospital: You may s...
【简答题】To: William Smith, Manager From: Lucy, Wu Date: June 6th, 2019 Subject: Sick leave Mr. William, It's very 1 that I have a severe headache today. I think I should go to 2 to see a doctor. So I want to ...
【单选题】正则表达式的语法“[a-z]”的含义为( )
A.
匹配"a-z"
B.
匹配从 a 到 z 之间的任一字符
C.
匹配"[a-z]"
D.
这个正则表达式是错误的，没有含义！
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