英语中纠正句子

改动这两句话很简单， 第一句话删除 Because , 第二句话 删除 who就正确了。

在手机里下载一些英语学习软件

就语法规范提出点意见哈：show要改为shows，因为investigation是单数thecomplexesstructures中的complexes要去掉s，因为名词修饰名词，除几个例外，都应该用单数stable的拼写错误investigation改成动词形式catalysis改成形容词形式catalytic此外，第一段中除第一句以外，后面部分的断句有问题，如tomove那应该是另一个句子了，to就该变成To。建议如果不用连接词啊之类的，就使用分号隔开吧。最好就是多使用复合句式，使句子更加紧凑，表达更简洁。

1.It seems that everyone knows him. 2.Unless we protect the rare animals,they may die out.3.The invention of word is considered to be the culture's beginning. 4.Because of over-cuting by human beings,many trees have gone.5.It is a well known fact that protecting environment is protecting ourselves. 6.Many animals are in danger of dying out. 7.To be honest,I'm too anxious to go to school.8.Hearing his words,she's very unhappy. 9.After the accident,he become more careful. 10.I was able to arrive here on time with the car's speedinf up. 11.Some people go to work by car for convenience. 12.He takes up so much of the place. 13.Born into a poor family,he earns his living at the age of 13. 14.She's so thin that she gets ill as if she were a branch.The project are carried out where lack of water. 16.Students' duty is concentrate on study. 17.In the meanwhile our future can only depend on our study. 18.It is a bad way that will affect people's life. 19.He was very grateful to her for what she had guided for him and treated her as his teacher.