海南大学：《大学英语》课程授课教案（PPT课件）Unit 2

Unit Two 由Scott创建

Unit Two 由 Scott 创建

be lost in/lose oneself in:be absorbed in,be fully occupied with He was lost in playing computer games so he was unaware of my entering the room. I had lost myself in thought 圖他忙于这项工作而对周围的一切 都很漠然。 He was lost to the world in this task. End

available:adj. 1)able to be got,obtained,used,etc. If you don't want to buy a kite,you can make your own using directions available in the book. We have already used up all the available space. 圖对不起，这种外套没有你要的颜色和尺码。 I'm sorry,those overcoats are not available in your color and size. 2)able to be visited or seen;not too busy 雪律师现在没空。 The lawyer is not available now. End

or something:used when you are not very sure about what you have just said The air fare was a hundred and ninety-nine pounds or something. Here's some money.Get yourself a sandwich or something. NB:同义短语：or something like that End

go ahead:continue,begin(sometimes followed by with +n.) The board of directors will vote today on whether to go ahead with the plan. ■Henry will be late but we will go ahead with the meeting anyway. End

estimate: 1)vt.form a judgement about(a quantity or value) 回马 I estimate that the total cost for the treatment of the disease will go from $5,000 to $8,000. 鲁我估计她有35岁。 I estimate her age at 35. 2)n.approximate calculation or judgement made about a quantity or value According to some estimates the number of farms has increased by 50 percent. My estimate of her character was wrong. Noxt end

CF:estimate,evaluate value 这组词都有“估计”或“估价”的意思。 estimate指先于实际的测量、计算或测试而作的某种估计或估 价，可以是经过仔细考虑的，也可以是随意的。 He estimated he would do the hundred miles by noon. *他估计自已到中午时能走完这一百英里路。 I asked three building firms to estimate for the repairs to the house. *我请三个建筑公司估计了修理房屋的费用。 Next end

CF:estimate,evaluate value evaluate很少表示用金钱来估计某物的市场价值，而是对其相 对或内在价值的评定。 The research project has only been under way for three months,so it's too early to evaluate its success. *这个研究项目进行了不过三个月，所以要对它的效果作出评 价为时尚早。 value指估计某物的价值、价格。 目He valued the house for me at￡3,500. *他为我估价了这幢房子，价值3,500英镑。 Next end

estimate,evaluate value Put into each gap one of the above words.Change the form where necessary. 1.How do teachers_ their students'work? 2.It was that there were more than 2,250,000 spiders in one acre of grass field. 3.They have gone to have their jewels End

estimate,evaluate value Put into each gap one of the above words.Change the form where necessary. 1.How do teachers evaluate their students'work? 2.It was estimated that there were more than 2,250,000 spiders in one acre of grass field. 3.They have gone to have their jewels valued. 6列d