阅读短文，判断下列句子正（T）误（F）。
How can we help the disabled（残疾的）people?
Disabled people are special people. Some can't walk, and some can't see. We should help them. For example, blind people couldn't cross the street by themselves（独自）. We should help them cross the street. A special dog can also help them. The special dogs can be their eyes. They are very useful.
1．Disabled people don't need our help. （
________）
2．Some disabled people can't see. （
________）
3．All disabled people can't walk. （
________）
4．A special dog can help the blind man. （
________）
5．The special dogs are very useful. （
________）
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