1.What are you doing？ A textbook _____ a new mehod of teaching physics.I want my friend to take a look at it. A.is based on B.based on C.basing on D.which based on 2.He based his idea ___scientific experiment. A. at B.with C.on D.in 选哪个，为什么？ 顺便给我说一下base的用法 谢谢
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base, basis base表事物的下部的底部,多用于具体事物。basis多用于比喻,主要指命题的基础。如:His ideas have no basis in reality。(他的意见缺乏现实基础。) n. 基底,垒 v. 以...作基础 [ 过去式based 过去分词based 现在分词basing 形容词比较级baser 形容词最高级basest ] 例句与用法...base 的含义比较广,既可以指抽象的“基础、基点、原则”,如economic base经济基础,也可以指具象的“根基、基地”,如 base of c...
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