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【单选题】
算法,就是解决问题的方法,就是编程的思路。下面哪个不是算法的特点:A.
无穷性：算法的步骤是无穷尽的
B.
确定性：算法的每一步都必须明确且可以执行
C.
有效性：算法的每一步必须是有效的
D.
输出：算法至少有一个输出结果
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举一反三
【单选题】______ that man was the master of the earth used to be widely held early last century.
A.
To believe
B.
It was believed
C.
The belief
D.
Believing
【单选题】It can be inferred that ______.
A.
the man was put into prison
B.
the man was sued for stealing
C.
the man convinced the policeman of the truth at the airport
D.
the girl was arrested at last
【单选题】On hearing of the case some time later， Conan Doyle was convinced that the man was not guilty， and immediately went to work to ascertain the truth.
A.
explore
B.
obtain
C.
verify
D.
search
【单选题】The rain was so heavy that the man was wet to the skin his whole body was98 and trembling.
A.
stiff
B.
straight
C.
steady
D.
hard
【单选题】When evening came, I found that I was rather grateful that the man was near. Night is a lonely time in the desert. I was less afraid while another human being was near, even that squatting black man.
A.
The Terribly, Tragically Sad Man
B.
The Rich Man and Poor Man
C.
The Selfish Giant
D.
I Met A Bushman
【单选题】The rain was so heavy that the man was wet to the skin his whole body was______ and trembling.
A.
stiff
B.
straight
C.
steady
D.
hard
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