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【单选题】
网易和新浪属于什么类型的搜索引擎?A.
全文搜索引擎
B.
目录搜索引擎
C.
元搜索引擎
D.
图片搜素引擎
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举一反三
【单选题】There are studies indicating female with four different photopigments in a certain kind of cells have better color sensitivity than those with three different photopigments. What type of cell has the ...
A.
The rod cell
B.
The cone cell
C.
The Retina horizontal cell
D.
The photosensitive Retinal Ganglion Cells (pRGC)
【单选题】Cone cells in retina are active _____, and essential for _____.
A.
in the morning, color vision
B.
at night, color vision
C.
in the morning, detecting low levels of stimulation
D.
at night, detecting low levels of stimulation
【判断题】Each eye has approximately six million retinal cone cells. They are packed much more tightly in the center of our visual field a small region called the fovea than they are at the edges of the retina.
A.
正确
B.
错误
【单选题】若有以下定义，若int m=7,n=12，则能得到值为3的表达式是
A.
n%=(m%=5)
B.
n%=(m-m%5)
C.
n%=m-m%5
D.
(n%=m)-(m%=5)
【简答题】G41指令的含义是（）
【简答题】He’s working hard for fear that he__________. A．should fall behind B．fell behind C．may fall behind D．would fall behind
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