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搜题
【单选题】
在网络层提供协议转换、在不同网络之间存贮转发分组的网络设备是( )
A.
调制解调器
B.
交换机
C.
路由器
D.
网卡
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【判断题】叶绿素分子在吸收光后能发出荧光和磷光,磷光的寿命比荧光长。(    )
A.
正确
B.
错误
【判断题】运行时权限的核心就是在程序运行过程中由用户授权程序去执行某些危险操作,程序是不可以擅自做主去执行这些危险操作的。
A.
正确
B.
错误
【单选题】Which of the following best describes the organization of this passage?
A.
Chronological order.
B.
Specific to general.
C.
Cause and result.
D.
Statement and example.
【判断题】( )电动机与变频器的安全接地必须符合电力规范,接地电阻小于4Ω。
A.
正确
B.
错误
【单选题】The IQ is______
A.
the mental age divided by the chronological age and multiplied by a hundred
B.
the mental age multiplied by the chronological age and divided by one hundred
C.
the chronological age divided by the mental age and multiplied by one hundred
D.
the average age divided by the mental age and multiplied by a hundred
【单选题】Chronological order is a method of speech organization in which the main points follow a _____ pattern.
A.
none of the above
B.
spatial
C.
topical
D.
time
【单选题】What is the difference between a chronological and a functional resume?
A.
A functional resume lists employment history at the end.
B.
A functional resume does not list education in chronological order.
C.
A functional resume does not include references.
D.
An introductory paragraph.
【简答题】chronological record
【判断题】汽车上除了照明灯外,还有用来指示其他车辆或者行人的灯光信号标志,这些灯称为信号灯。
A.
正确
B.
错误
【单选题】The I.Q. equals to ______.
A.
the mental age multiplied by the chronological age and multiplied by a hundred
B.
the chronological age divided by mental age and divided by a hundred
C.
the mental age divided by the chronological age and multiplied by a hundred
D.
the chronological age multiplied by the chronological age and multiplied by a hundred
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