根据提示补全下列短语

　　1．lead to　　　　　　 导致

　　2．concentrate on 集中于......

　　3．be full of 充满

　　4．a great deal 大量

　　5．at the same time 同时

　　6．by coincidence 巧合地

　　7．on the other hand (可是)另一方面

　　8．break away from 逃脱；摆脱；脱离

　　Ⅳ.选词填空

　　选用上述短语的适当形式填空

　　1．In given conditions，a bad thing can lead to good results.

　　2．By coincidence，I met the person we'd been discussing the next day.

　　3．I'd like to eat out，but on the other hand I should be trying to save money.

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　　4．However，life is full of chances and the choice is yours as to how you want your life to be.

　　5．Fortunately，he broke away from those guys before they could do any real harm to him.

by ＋ n．→ 介词短语 v.＋ to → 动词短语 by accident偶然

by chance偶然；意外地

by mistake错误地 belong to 属于

refer to 参阅；谈及

turn to 求助于；转向 　　Ⅴ.经典句式仿写

　　1．By coincidence，oil paints were also developed at this time，which made the colours used in paintings look richer and deeper.

巧合的是，这一时期油画颜料也得到了发展，使得画的颜色看上去更丰富、更深沉。