短文改错
该文中共有十处错误,每句中最多有两处,错误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（∧）, 并在此符号下面写出该加的词。
删除：把多余的词用斜线（ ＼）划掉。
修改：在错的词下划一横线, 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、只允许修改十处, 多者（从第11处起） 不计分。
Li Ling is the only one of the student in our class who have ever been to England. Last summer
she is lucky to be sent there to study for three months. When she arrived in England by plane, she
was picking up (接待)at the airport by the Johnson family, she would live with for the next few
months.The family does everything they could to make Li Ling to feel at home. Li Ling began her
study abroad at a middle school, where she met friends from all over world.
She made fully use of every minute to practise her spoken English and was highly thought of by
all the people around him.
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ol H2，并使之进行反应： N2+3H2
2NH3(放热反应），下列情况不能表明反应达到了平衡的是