效用的衡量方式主要包括哪些（）

多项选择题沟通的障碍主要有包括哪些方面？（）

A.语言障碍
B.认识障碍
C.心理障碍
D.组织障碍
E.交往障碍

单项选择题认为教育起源于无意识模仿的是（）。

A、生物起源论
B、心理起源论
C、劳动起源论
D、生产生活需要起源论

多项选择题内存相对于外存而言，具有（）特点。

A、存取速度快
B、存取速度慢
C、存储容量小
D、存储容量大

名词解释什么是德廉美修道院; 德廉美修道院名词解释定义是什么?

多项选择题集成运算放大器可实现的运算电路有（）。

A.比例器
B.加法器
C.减法器
D.微分器

单项选择题Everything was white and I remembered _____ all kinds of ladies dressed up in funny white things with all their hair covered with some sort of cloth.A:seeingB:seeC:to seeD:seen

单项选择题_____ is that he was blessed with a very good memory.A:What can be said with certainty of Richard NixonB:What of Richard Nixon with certainty can be saidC:What can say with certainty of Richard NixonD:What of Richard Nixon with certainty can say

单项选择题They prefer to repeat their success, rather than _____ failure.A:riskB:riskingC:to riskD:risked

单项选择题You can guess that there's not a man, woman or child that I don't know _____ sight.A:with B:inC:byD:through

单项选择题Instead of trying to imitate reality in their works, many artists of the early twentieth century _____ their feelings and ideas in abstract art.A:in the beginning to revealB:began to reveal C:revealed the beginningD:to begin revealing