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1、高中英语知识点大全（36）：combine/ connect/ join/ unite的区别1、combine/ connect/ join/ unite此组动词意为“联合、连接”。combine意为“结合、联合”，指为了某一目的而把两事物结合在一起。如：We must combine theory with practice.我们必须把理论和实践联系起来。He combines botany with chemistry.他把植物学和化学联系起来了。connect“连接”，指用东西把两事物连接在一起，或两事物直接相连，二者仍保持原状。The two cities are connected
2、by a railway. 两座城市由铁路相连。He connected the gas stove with gas pipe.他把煤气和接在煤气炉上。join 意为“连接”，指以线、绳、桥等把两物或两地连接在一起，和connect意思相近，也可指两物互相紧密相接。如：We had better join the island to the mainland with a steel bridge.我们最好建一座钢筋桥把这个岛与大陆连接起来。Where does this stream join the Changjiang River?这条河和长江在哪里会合？unite 意为“联合”，指两
3、种以上的事物结合为一体，有合二为一的意味，强调结合后的统一性。The two companies will unite into one.这两家公司将合并成一家。The whole family united to help him.全家齐心协力帮助他。2、complete/ finish二个词都有“完成”之意，但complete更突出使一切完备、没有欠缺、多指完成工程、设计等。而finish是一般用语。常用短语有：complete the work完成工作；complete the new railway 修完铁路；complete ones collection of stamps完备集邮
4、；finish ones homework/middle school/writing the article 完成作业/中学毕业/写完文章。注意：complete还可用作形容词，意为“完全的，彻底的、完成了的”。completely 是副词，“完全地、彻底地”。如：a complete sentence/strange/success/failure完整的句子/完全陌生/完全成功/彻底的失败。This job is completely new to me.这项工作对我来说是完全陌生的。应用单句改错You have to finish to read the whole passage in
5、 five minutes.Professor Smith has been complete successful in working out the problem.Key:改to read为reading,因为finish后只能接动名词。改complete为completely。3、communicate v.（1）vt.传达，传送，传染communicate information/feelings/newsto sb.把信息、感情、消息传递/传达给某人Ill communicate the news to you directly. 我会直接把消息传达给你。（2） vi.通讯，通话communicate with sb.(by)用与某人联络/沟通We communicate with each other by telephone/letter. 我们用电话/信件彼此沟通。拓展：communication n.u通讯c消息pl.通讯系统Radio and television are important means of communication. 收音机和电视机是信息交流的重要工具。Communications satellite helps the human a lot in many ways . 通讯卫星在很多方面对人类有很大的帮助。
