1、Unit 4 Reading知识点清单1. in time及时；终于；迟早来源:1in time for sth./to do sth.来得及(做)；及时(做)in no time立即，立刻at a time依次；逐一；每次at no time在任何时候都不；决不(置于句首时，主句使用部分倒装)at one time曾经，一度at times= sometimes有时，偶尔on time按时，准时2. (1)unlike prep.与不同；不像；adj.不同的，不相似的(2)unlikely adj.不大可能的(3)likely adj.可能的It is likely that.有可能来源:Z
2、,xx,k.Com来源:1be likely to do sth.可能做某事3. fundamental adj.基本的；基础的；根本的(2)fundamentally adv.根本上，完全地be fundamental to sth.对必不可少/至关重要4. be harmful to对有害do.harm/do harm to.对有害There is no harm (in) doing sth.It does no harm (for sb.) to do sth.(某人)做某事无害处。5. There exist(s)/existed.某地有；存在6. come into existen
3、ce(begin to exist)产生；成立来源:17. give birth to产生；分娩；引发；造成8. in ones turn接着；轮到某人9. in turn依次，轮流；反过来10. take turns to do sth.轮流做某事。11. Its ones turn to do sth.轮到某人做某事。12. prevent.(from) doing sth.阻止做某事，=stop sb./sth.(from) doing sth.；=keep sb./sth.from doing sth.(from不可以省略)。注意：在被动语态中，这三个短语中的from都不能省略。13. depend on/upon依靠；依赖；取决于14. 依靠某人做某事15. depend on/upon it that.相信/指望16. That/It (all) depends.依情况而定。17. (1)puzzle n谜；难题；vt.& vi.(使)迷惑；(使)为难(2)puzzled adj.迷惑不解的；困惑的(3)puzzling adj.令人费解的(4)puzzlement n迷惑18. be/feel puzzled at/about.对感到迷惑来源:1ZXXK
