皮皮学，免费搜题
登录
搜题
【多选题】
下列各组判断中具有等值关系的有（）。A.
“如果p则非q”与“只有非p才q”
B.
“必然非p”与“不可能p”
C.
“并非有S不是P”与“所有S都不是P”
D.
“S不都是P”与“所有S都是P”
E.
“非P并且q”与“并非（只有P才q）”
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】病害三角包括()、寄主、(病原)
【简答题】大约距今 万年左右,人类体质形态的原始特征基本消失, 开始形成,并且因所处地域的影响逐渐分化成 人种。
【单选题】After the meeting, she invited us to dinner at her home and treated us _____ many exotic foods we _____ before. It was really a wonderful treat.
A.
with; had never tasted
B.
to; have never tasted
C.
with; have never tasted
D.
to; had never tasted
【单选题】A: Have you invited Susan to the party?B: ______
A.
Yes, because I know she wants to stay at home.
B.
Not yet, because I know she prefers to stay at home.
C.
No, because I know she likes to join us.
D.
Yes, because I've to think about it carefully.
【简答题】May was hoping to broker cigarette lighters in America. Her friend said that Mr. Wang was a big manufacturer in China. She gave May Mr. Wang’s phone number. May called Mr. Wang, and invited him to Los...
【简答题】Difference Between Speech and Writing Direction: Write a dialogue between Li Ping and Helen on the basis of the following passage. Li Ping is a Chinese student in the US. He is invited to a party for ...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
