心脏的静脉血回心的主要途径是（） A.心大静脉 B.心中静脉 C._爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

心脏的静脉血回心的主要途径是（）

A.心大静脉

B.心中静脉

C.心小静脉

D.心前静脉

E.冠状窦

答案

参考答案：E

改错题

短文改错。
此题要求改正所给短文的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上划一个
勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
该行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。
该行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
该行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改

Before men knew how write, clever men could
pass on his knowledge only to the people who
could hear them to speak. These listeners could
repeat what they heard, but on memory only.
Whatever they did not remember was lose.
Writing changed all of this. Written knowledges
lives on long after the lifetime of the write.
Today we can used the information and knowledge
which had been gathered for thousands of years.
When people the first learned to write, they began
to record the stories they had always known and liked.

1.______
2.______
3.______
4.______
5.______
6.______
7.______
8.______
9.______
10.______

多项选择题

会引起应收账款账面价值变动的有（）。

A.支付手续费方式下发出委托代销商品

B.计提坏账准备

C.代购货方垫付的包装费

D.租入包装物支付的押金