According to Sir Richard Paget, the right order of development of human communication
A. sounds, food, hunting, writing, gambling, online chatting
B. gestures of the hands, gestures of the mouth, whispered speech, voiced speech
C. gestures, eye movements, writing, speech, telegraph, internet
D. shouting, whispers, hands movements, horse riding, computers
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植物体内磷大部分存在于籽粒中，而钾的绝大部分在茎秆中。()
弗里茨？阿德勒因全面否认爱因斯坦在物理学领域做出的成果而著名。()
从理论上来讲，综合布线系统几乎包容了全部弱电系统的布线。()
有线电视是用电缆线把各用户电视机串接起来的电视系统。()
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