早教吧作业答案频道 -->英语-->
辨析sum和summary
题目详情
辨析sum和summary
▼优质解答
答案和解析
1.sum 可以作名词,(作名词时意思是“合数,总计”),也可以作动词(是不及物动词,常和up 连用).例如:
The sum of 5 and 3 is 8.(名词)
They want to sum up their past experience before going on.(动词)
2.summary 可以作形容词,(作名词时意思是“摘要,概略”),也可以作名词.例如:
He presented a summary account.(形容词) 他概括地说明.
Give a summary of this chapter.(名词) 列出这一章的摘要.
The sum of 5 and 3 is 8.(名词)
They want to sum up their past experience before going on.(动词)
2.summary 可以作形容词,(作名词时意思是“摘要,概略”),也可以作名词.例如:
He presented a summary account.(形容词) 他概括地说明.
Give a summary of this chapter.(名词) 列出这一章的摘要.
看了辨析sum和summary...的网友还看了以下:
复变函数一道若u(x,y)与v(x,y)分别是解析函数f(z)的实部与虚部,且f(z)求导不等于0 2020-06-03 …
已知x/y+z+u=y/z+u+x=z/u+x+y=u/x+y+z,求(y+x/z+u)+(y+z 2020-06-12 …
已知x/(y+z+u)=y/(z+u+x)=z/(u+x+y)=u/(x+y+z),求(x+y)/ 2020-06-12 …
已知x/(y+z+u)=y/(z+u+x)=z/(u+x+y)=u/(x+y+z),求(x+y)/ 2020-06-12 …
设y=x^u,求y^n=?这是书上的解法是y'=ux^(u-1),y''=u(u-1)x^(u-2 2020-06-18 …
模拟三设函数u(x,y)=B(x+y)+B(x-y)+∫[x-y→x+y]C(t)dt,其中函数B 2020-07-21 …
U、V、W、X、Y、Z六种物质之间存在如下反应:(1)U+KOH→V+W+H2O(2)X加热生成W 2020-07-30 …
f(z)=u(x,y)+iv(x,y),如果在D内,v(x,y)是u(x,y)的--------, 2020-07-31 …
已知f(z)=u(x,y)+iv(x,y)为复平面内满足u(x,y)+v(x,y)=2xy的解析函 2020-08-01 …
设f(z)=u(x,y)+iv(x,y)为z=x+iy的解析函数已知u(x,y)-v(x,y)=x+ 2020-12-08 …
相关搜索:辨析sum和summary