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【单选题】

Man has a big brain.He can think,learn and speak.Scientists used to think that man is different from animals because he thinks and learns.They know now that animals-dogs,rats andbirds—can learn.So scientists are beginning to understand that men are different from animals because they can speak.Animals cannot speak.They make noises when they are afraid,or hungry,or unhappy.Apes(类人猿)are our nearest cousins.They can understand some thingmore quickly than human beings,and one or two have learned a few words.But they are still different from US.They can never think about the past or the future.Language is a wondefulthing.Man has been able to develop civilization because he has language.Every child call speakhis own language very well when he is four or five—but no animal learns to speak.How do children learn Scientists do not really know.What happens when we speakScientists do notreally know.They only know that man can speak because he has a big brain.
Scientists think that the difference between animals and man is______.

A.
animals cannot learn
B.
animals cannot speak
C.
animals cannot think like us
D.
animals do not have their own language
题目标签:类人猿
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【单选题】类人猿型骨盆的特点是

A.
骨盆各径线均较正常小2cm
B.
骨盆3个平面横径均缩短,前后径稍长,坐骨切迹宽
C.
两侧骨盆壁向内倾斜
D.
骨盆入口肾形,骶骨下段后移,入口前后径明显缩短
E.
骨盆入口前后径缩短,横径正常

【单选题】类人猿骨盆

A.
入口略呈三角形,骶坐切迹窄呈高弓形
B.
入口横径较前后径稍长,骶坐切迹呈圆形
C.
入口横径较前后径短,骶坐切迹较宽
D.
入口横径较前后径长,骶坐切迹较宽
E.
入口横径较前后径短,骶坐切迹较窄

【单选题】类人猿骨盆()

A.
入口略呈三角形,骶坐切迹窄呈高弓形 
B.
入口横径较前后径稍长,骶坐切迹呈圆形 
C.
入口横径较前后径短,骶坐切迹较宽 
D.
入口横径较前后径长,骶坐切迹较宽 
E.
入口横径较前后径短,骶坐切迹较窄

【单选题】类人猿骨盆()

A.
入口略呈三角形,骶坐切迹窄呈高弓形
B.
入口横径较前后径稍长,骶坐切迹呈圆形
C.
入口横径较前后径短,骶坐切迹较宽
D.
入口横径较前后径长,骶坐切迹较宽
E.
入口横径较前后径短,骶坐切迹较窄

【单选题】现代类人猿不包括()

A.
黑猩猩
B.
长臂猿
C.
森林古猿
D.
大猩猩