处语言错误，每句中最多有两处。错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（ ），并在其下面写出该加的词。

删除：把多余的词用(＼)划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

2）只允许修改10处，多者（从第11处起）不计分。

    Recently, our class have had a heated discussion concerning that whether the Beijing Zoo should be moved out of the city. Some of my classmates approved of the moving .They say large crowds of tourist to the zoo will result in traffic jams .They also say that once moving, animals will have more space and good living conditions in the suburbs. Therefore, other students against the idea. They say that the zoo has the history of 100 years, and is famous at home or abroad. Moreover, moving may cause the dead of some animals. So, it's a better choice to remain where it is.

关于x的方程x²+bx+c=0的两个实数根分别为﹣2和3，则分解因式x²+bx+c等于（　　）

    Making friends is a skill like other skills. It improves with practice. If you want to meet people and m____ friends, you must be willing to take some actions.

    You must first go w ____ there are many people. You won't make friends staying at home. J____ a club or go to a party, talking with those who like the s____ things as you do. Or join someone in some a____.

    It's human nature to feel a bit unhappy about the unknown. Most of our fears come from doubts about ourselves. D____ forget they must be feeling the same way. Try to accept yourself as you are, and try to put the other person at ease（自由自在）. You'll both f____ comfortable. Try to act self-confidently t____ you don't feel that way. When you enter a room f____ of strangers, walk straight, look directly at them and smile. Meeting someone new doesn't mean that you will make friends because friendship is based on mutual liking（基于互相喜欢） and "give and take". It takes t____ to develop.

 学习化学观察尤为重要。下面对一些实验的现象描述不正确的是（  ）