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【单选题】
下列有关信息特点的描述不正确的是————。A.
真实的信息有价值的
B.
信息具有使用价值
C.
信息不能同时为信源和信共同拥有
D.
信息具有时效性
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举一反三
【单选题】When checking students’ understanding of a certain language point in class, which of the following utterances is a teacher expected to make?
A.
“Is it Okay?”
B.
“Is it clear to you?”
C.
“Are you clear?”
D.
“Is it all right to everyone?”
【单选题】The phrase 'take a heavy toll'(Para.6) is closest in meaning to______.
A.
grind one's teeth
B.
damage one's health
C.
increase one's activity
D.
pay more at the toll gate
【单选题】If one wants to be relaxed by reading，one should take up______．
A.
a story book
B.
a book on science and technology
C.
history books
D.
some material full of information
【单选题】测量工质压力时,若弹簧管压力表上的指针指在零位,则表示( )
A.
工质绝对压力为零
B.
工质绝对压力与大气压力相等
C.
工质绝对压力低于大气压力 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【简答题】字音、字形 媲( )美 钳( )制 自戕( ) 攻讦( ) 污垢( ) 一蹴( )而就 威慑( ) 蜕除( )
【单选题】It's important to remember that nutrients have to work ______, and to take too much of one or another can be useless or even dangerous.
A.
in check
B.
in retrospect
C.
in concert
D.
in vogue
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