皮皮学，免费搜题
登录
搜题
【单选题】
有人用某药治疗 1000 名呼吸道感染的儿童，结果有 970 名 72 小时内症状消失，因此对呼吸道感染的儿童该药是优先选取的疗法的推论是A.
正确的
B.
不正确，因为不是率的比较
C.
不正确，因为没有进行统计学检验
D.
不正确，因为没有采取对照组
E.
不正确，因为队列效应在起作用
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】The 7th and 8th greetings are sent to someone who has been .
【单选题】The person who put on the third ad probably wants to ______.
A.
look for someone to share the beautiful view of the park
B.
find another person to pay for her electricity and gas
C.
share her room in the flat with another lady
D.
rent one room of her flat to a nonsmoker
【单选题】'Take a couple of breaths and think of someone you love' is a good way to ______.
A.
take the control away from your offender
B.
see things from the other person's perspective
C.
recognize the benefits of forgiveness
D.
calm yourself
【简答题】Scott arrived at the South Polo on January 1th, __________(结果发现)someone had got there before him.
【简答题】In ancient Japan, if you saved someone’s life, they would make it their duty to spend the rest of their life serving you. Nowadays, if you rescue someone’s story, he or she will feel the same kind of ...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
