群落中生物种类组成的数量特征指标有哪些？
题型：问答题 简答题
问题：
群落中生物种类组成的数量特征指标有哪些？
题型：问答题 简答题
此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误．在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线（\）划掉．在该行右边横线大写出该词．并也用斜线划掉。
此行缺一个词：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。此行错一个词：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。
Mr Black has two cats. One is big ,and other 小题1:_______
is quite smaller. He likes them very much. 小题2:_______
One morning, Mr.King, one of his friend, came to see 小题3:________
him. When he saw two holes on the wall, a 小题4:________
big hole or a small one, he was surprised and asked, 小题5:_____
___
“Why are there two holes for, my old friend?” 小题6:________
“Let the cats in and out,” Mr.Black answered. 小题7:_________
“But does not one hole enough?” asked the friend. 小题8:_________
“Do you think that the big cat can went through the 小题9:__________
Small hole?” replied Mr.Black with a smile on face 小题10:__________