2.P:The working tables are high and uncomfortable S:The working tables should be redesigned. 3.P:The walls of the workroom are a dull gray color,there are no breaks in the day: there is no music;the workers easily get bored. S:A.provide background music B.beautify the dull setting C.have a 15-minute break 4.P:The work flow is irregular,some young workers donot work hard even daydream wi hile working S:A.Those who do not work hard should be fired B.assembly line redesigned C.pay increase D.promotion Step 3 Detailed Study 1.Sam set out to improve efficiency at the shirt factory but.as we find out later in this unit.his plans out not quite as he had expected. (I)find out:leam or discover查明，弄清 e.g.we found out later that we had been at the same school. (2)tum out::to be discovered to be,to prove to be结果是，证明是 e.g.It tumed out that he was a friend of my brother 2.If you ask my mother how I happened to become an industrial engineer,she'll tell you that I have always been one. (I)happen to:chance,takeplace出现，发生，碰巧做 e.g.How did you happen to be a tourist guide? I happened to be out when she called. (2)Meaning:If you ask my mother how I chanced to be/how it came about that I became an industrial engineer,she'll tell you that I was a "bor"industrial2. P: The working tables are high and uncomfortable S: The working tables should be redesigned. 3. P: The walls of the workroom are a dull gray color; there are no breaks in the day; there is no music; the workers easily get bored. S: A. provide background music B. beautify the dull setting C. have a 15-minute break 4. P: The work flow is irregular; some young workers do not work hard enough; some even daydream while working. S: A. Those who do not work hard should be fired. B. assembly line redesigned C. pay increase D. promotion Step 3 Detailed Study 1. Sam set out to improve efficiency at the shirt factory but, as we find out later in this unit, his plans turned out not quite as he had expected. (1) find out: learn or discover 查明，弄清 e.g. we found out later that we had been at the same school. (2) turn out: to be discovered to be, to prove to be 结果是，证明是 e.g. It turned out that he was a friend of my brother. 2. If you ask my mother how I happened to become an industrial engineer, she’ll tell you that I have always been one. (1) happen to: chance; take place 出现，发生，碰巧做 e.g. How did you happen to be a tourist guide? I happened to be out when she called. (2)Meaning: If you ask my mother how I chanced to be / how it came about that I became an industrial engineer, she’ll tell you that I was a “born” industrial