成人脑重量约占体重（） A.1% B.2% C.3% D.4% E.5%_爱下问搜题

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问题单项选择题

成人脑重量约占体重（）

A.1%

B.2%

C.3%

D.4%

E.5%

答案

参考答案：B

选择题

The artist made up his mind to devote all he could ______ his English before going abroad. [ ]

A. improve

B. to improve

C. to improving

D. improving

单项选择题

孔子思想中主张以爱人之心调解与和谐社会人际关系的是（）

①“仁者，爱人”②贵贱有序③己所不欲，勿施于人④有教无类

A.①②

B.①③

C.①④

D.②④