皮皮学，免费搜题
登录
搜题
【多选题】
下面关于 IPv6 描述正确的是()A.
IPv6 的地址长度为 64bits
B.
IPv6 的地址长度为 128bits
C.
当一个 IPv6 报文有多个扩展头部时,扩展头部必须有序地出现
D.
当一个 IPv6 报文有多个扩展头部时,扩展头部可以随机的出现
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
【单选题】关于I型超敏反应的特点 , 下列哪项是错误的 ?
A.
肥大细胞与嗜碱性粒细胞参与
B.
发生快
C.
主要抗体是 IgE
D.
24 小时达高峰
E.
主要表现为生理功能紊乱
【简答题】Read and choose. 阅读短文，选择正确答案。 Sam: Hello! Tom! Tom: Hi! Sam: How are you today? Sam: I'm very well, thank you. And you? Tom: I'm fine, too. Sam: What are you doing? Tom: I'm looking for my pencil. Whe...
【单选题】—The twins are quite different. Sam is wild while Tom is quiet. —Yeah, Sam is ___________ than Tom.
A.
less outgoing
B.
more outgoing
C.
much taller
D.
more serious
【单选题】Sam: Hello? Tom: Sam! Help me! Sam: What's the matter, Tom? Tom: I' m hanging from this rock by one hand. I can' t hold on much longer. Call the rescue service quickly! Sam: Very funny, Tom. Why are y...
A.
putting your foot in it
B.
putting your feet up
C.
pulling my leg
D.
pulling the rope
【单选题】The basketball isn’t _____. It belongs to _________.
A.
Tom; Sam
B.
Tom; Sam’s
C.
Tom’s; Sam
D.
Tom’s; Sam’s
【单选题】________ room is big and bright. They like it very much. [ ]
A.
Tom and Sam
B.
Tom's and Sam
C.
Tom and Sam's
D.
Tom's and Sam's
相关题目：
参考解析：
知识点：
题目纠错 0
发布
