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【单选题】
甲午中日战争爆发前夕，有些西方人士认为中国拥有一定的军备优势，“毫无疑问的是日本必然最后被彻底粉碎”，他们做出上述判断的主要依据，中国A.
已完成对军队的西式改革
B.
集权制度有利于作战指挥
C.
近代化努力收到较大成效
D.
能获得更广泛的外部援助 【
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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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