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搜题
【单选题】
家畜颈椎数目均为( )个。A.
5
B.
6
C.
7
D.
8
E.
9
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举一反三
【单选题】" This is the book recommended by the professor. "has all the following possible meanings EXCEPT
A.
This is the book which was recommended by the professor.
B.
This is the book which has been recommended by the professor.
C.
This is the book that was recommended by the professor.
D.
This is the book that will be recommended by the professor.
【单选题】有关 IEEE802.11g 标准描述错误的是 _____________ 。
A.
提供 3 个互不重叠的子频道，使用 CCK 技术。
B.
能够与 IEEE802.11b 的 Wi-Fi 系统相互联通。
C.
数据传输率提高到 108Mbps 。
D.
在 2.4GHz 频段使用正交频分复用技术 OFDM 。
【单选题】有关IEEE802.11g标准描述错误的是（）。
A.
在2.4GHz频段使用正交频分复用技术OFDM。
B.
数据传输率提高到108Mbps。
C.
能够与IEEE802.11b的Wi-Fi系统相互联通。
D.
提供3个互不重叠的子频道，使用CKK技术。
【简答题】They were poor and f______ in debt.
【简答题】IEEE802.11g有 ( )个互不重叠的信道,在我国5.8GHz频段划分了 ( ) 个频道。
【单选题】Which is NOT the reason leading to the poor growth of economy, according to Peter?
A.
Machinery in factories is too old.
B.
Management in some industries appears out-of-date.
C.
Trade unions disagree with each other and they are incompetent in controlling their own members.
D.
Manufacturing industries are awkward in finding out effective ways of exporting goods.
【单选题】According to Olson, what is the reason for the poor economies of Third World countries?
A.
government intervention
B.
lack of secure individual rights
C.
being short of capital
D.
lack of a free market
【单选题】Which is NOT mentioned as the reason why women are poor at public speaking?
A.
Women cannot tell jokes.
B.
Women are better at self-awareness.
C.
Women do little to enhance performance.
D.
Women know their speech is average.
【单选题】"This is the book recommended by the professor." has all the following possible meanings EXCEP .
A.
This is the book which was recommended by the professor
B.
This is the book which has been recommended by the professor
C.
This is the book that was recommended by the professor
D.
This is the book that will be recommended by the professor
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