【单选题】【消耗次数：1】
脉搏数(次/分)是:
①
观察单位
②
数值变量
③
名义变量
④
等级变量
参考答案：
复制
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相关题目
【单选题】
如果局部变量和成员变量同名，如何在局部变量作用域内引用成员变量？（ ）
①
不能引用，必须改名，使它们的名称不相同
②
在成员变量前加 this，使用 this 访问该成员变量
③
在成员变量前加 super，使用 super 访问该成员变量
④
不影响，系统可以自己区分
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fare
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pay
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22. One day while Mr. King was working, he had a/an ____: his left leg was badly injured.
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bond ?
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uniform ?
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we needn’t to have hurried
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there was no need for us to hurry
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Do you like this kind of dishes?
②
You are welcome to our restaurant. Take seat, please.
③
Would you like to see a menu?
④
Everybody! Order, please!