皮皮学，免费搜题
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【单选题】
根据婴幼儿营养不良的分度标准,属于轻度营养不良的表现是A.
体重低于正常8%-10%，腹部皮下脂肪厚度0.8-1cm
B.
体重低于正常10%-15%，腹部皮下脂肪厚度0.6-0.8cm
C.
体重低于正常15%-25%，腹部皮下脂肪厚度0.4-0.8cm
D.
体重低于正常25%-40%，腹部皮下脂肪厚度0.4cm以下
E.
体重低于正常40%，腹部皮下脂肪消失
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下哪项不属于睡眠卫生教育内容？（）
A.
下午五点以后，不参与过度兴奋和活跃的环境
B.
建立一套准备就寝的程序
C.
每天同一时间起床，周末也不例外，用闹钟达到目的
D.
睡前一杯咖啡
【单选题】The appeal of advertising to buying motives can have both negative and positive effects. Consumers may be convinced to buy a product of poor quality or high price because of an advertisement. For exam...
A.
stressing their high quality
B.
convincing him of their low price
C.
maintaining a balance between quality and price
D.
appealing to his buying motives
【简答题】（1）是否存在m，n，使得m（m+2）=n（n+1）？ （2）设k（k≥3）是给定的，是否存在m，n，使得m（m+k）=n（n+1）？
【单选题】The appeal of advertising to buying motives can have both negative and positive effects. Consumers may be convinced to buy a product of poor quality or high price because of an advertisement. For exam...
A.
stressing their high quality
B.
convincing him of their low price
C.
maintaining a balance between quality and price
D.
appealing to his buying motives
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