18.以下问题,不适合用普查的是( )
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| A. | 了解全班同学每周体育锻炼的时间 | |
| B. | 某中学调查全校753名学生的身高 | |
| C. | 某学校招聘教师,对应聘人员面试 | |
| D. | 鞋厂检查生产的鞋底能承受的弯折次数 |