【单选题】Tom isn't so strong as he ______, is he? No, he is ______his two brothers.
A.
thinks; no strong than
C.
appears; no stronger than
D.
looks; the strongest of
【单选题】Tom is tall, ______ he isn't strong.
【单选题】与算术平均法相比,加权平均法的优越性表现在( )。
D.
对不同时期的数据区别对待,给予不同程度的重视
【判断题】人际关系理论认为人是“经济人”,而非单纯的“社会人”。