皮皮学，免费搜题
登录
搜题
【单选题】
一台主机正在检测所收到的帧的校验和,这个动作发生在 OSI 模型的哪一层?A.
物理层
B.
数据链路层
C.
网络层
D.
传输层
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The house is ______ expensive for me ______ afford. [ ]
A.
so; that
B.
too; to
C.
enough; to
D.
so; to
【单选题】They sold their house for only 12, 000 dollars, so the buyer got a wonderful________.
A.
cost
B.
bargain
C.
amount
D.
value
【单选题】The little house was 'full of so many. memories' (Para. 3 ) means ______.
A.
that the house remembers many, many things
B.
that an important part of Mrs. Robson's life was spent there
C.
that it was full of furniture
D.
that it was not empty
相关题目：