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鼻胃管抽出清亮胆汁（）
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气水热液矿床有哪些特点？
语法信息是语义、语用信息存在的（）。
You are developing an application to assist the user in conducting electronic surveys.The survey consists of 25 true-or-false questions.You need to perform the following tasks： Initialize each answer to true.Minimize the amount of memory used by each survey. Which storage option should you choose？（）
事假以（）小时起算，员工请事假时，应先休完年休假天数和休息日加班补休天数，超过的天数再请休事假。
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