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【单选题】
关于路由器,以下哪一项描述是错误的()。A.
有着连接不同类型传输网络的接口
B.
路由器存储转发IP分组
C.
直接将从一个接口接收到的帧转换成另一个接口连接的传输网络对应的帧格式
D.
将IP分组封装成不同类型传输网络对应的帧格式
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反馈参考答案：
举一反三
【单选题】Jessie Street is sometimes called the Australian Eleanor Roosevelt. Like Roosevelt, Street lived a life of privilege, but she devoted her efforts to working for the rights of the disenfranchised, incl...
A.
Eleanor Roosevelt and Jessie Street worked together to include women in the United Nations Charter.
B.
Usually,people who live lives of privilege do not spend much time participating in political activities.
C.
Discrimination in Australia is much worse than it ever was in the United States.
D.
At the time of the formation of the United Nations,few women were involved in international affairs.
【单选题】We can infer that the author of this passage ______.
A.
disapproves of Roosevelt's 'New Deal'
B.
thinks the Depression could have been avoided
C.
blames the Depression on the 'Great Crash'
D.
feels there was some similarity between Roosevelt and Hitler
【单选题】The New Deal was advanced by President
A.
Franklin Roosevelt.
B.
Theodore Roosevelt.
C.
William Mckinley.
D.
Thomas Woodrow Wilson.
【简答题】Roosevelt, like Churchill, saw the significance of postwar civil aviation, and __________ free and open competition. (believe)
【简答题】“炉边谈话”(Fireside Chats of Franklin D·Roosevelt)
【单选题】Roosevelt, like Churchill, saw the significance of post-war civil aviation, and __________ free and open competition.
A.
believed
B.
trusted
C.
believed in
D.
all of the above
【简答题】黄曲霉毒素( AFT 或 AT )是由 和 产生的一类代谢产物,具有极强的毒性和致癌性,基本结构中均有一个 和一个 。
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