刚来贴吧是这样的 　 　
后来就变成这样了 　 　
现在都是这样子的 　 　

上下文
况且这两词意思不同

contact 联络
communication 沟通

上下文呢 ？
有的时候是可以互用的

Because deaf people cannot hear, they have special ways of communicating. One way is lip (嘴唇) reading. With training, people can learn to understand what someone is saying by looking at the m 81 0f the speaker. Speaking is possible but difficult for the deaf. Because they cannot hear their own voices, it takes a lot of training to be able to make the c 82 sounds, and not all deaf people can get this skill. The way of communicating is sign language, which is the most useful in real life. In many ways, sign language is s 83 to spoken languages though actually there is some difference. The "words" of sign language are its signs. The signs are fonned with movements of the hands, face and body. Each sign has a different meaning. Signs are mixed up to form sentences. The basic sign language is hand signs that take the place of letters. The signs, which are put together, can e 84 the same thoughts, feelings and so on as a spoken language. And just as different countries usually speak different languages, most countries have their own variation （变化） of sign language. In addition to knowing sign language, it is also helpful to know s 85 about how deaf people communicate. Hand waving or hitting a table or the floor to get someone's attention is fine. Also, lots of eye c 86 is necessary. Information can be read from their eyes. Lastly, it is good to remember that most deaf people s 87 think of themselves different from other people, and you don't have to, either
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楼主有其它题目的答案吗？