在色彩学研究中,为了便于定性分析,常将白光看成是由( )三原色等量相加而合成的。
A.红、绿、蓝 B.红、黄、蓝C.红、绿、黄 D.红、绿、紫
参考答案:A
Today in Australia, there are thousands of creatures, ________ are endangered by human beings.
A. many of them
B. most whom
C. the majority of which
D. whose many
意志行动的目的冲突有四种形式:双趋式冲突、双避式冲突、趋避式冲突、多重趋避式冲突。(心理学)