河北省邯郸四中高二英语人教版选修六《Unit 4 Global warming》背景材料辅导 EXPRESSIONS

111EXPRESSIONScome aboutcome about 作不及物短语，意为“发生，造成”。如：Many a quarrel comes about through a misunderstanding.很多争吵是由误解引起的。How does it come about that you are here, not in your office?你怎么不在办公室，反而在这里呢？Good works come about as a result of hard work.好的作品的产生是努力工作的结果。小试 根据括号内的汉语提示完成下列句子。1. Can you tell me _（事故是如何发生的）？2. I wonder _（如何发生的）that he knew where we were. Key: 1. how the accident came about 2. how it came aboutquantity of quantity of 意为“大量的”，可以修饰可数名词, 也可修饰不可数名词。常用结构：a great / large / small quantity of 大量/小量的 great / vast / huge / enormous quantities of大量的 例句Tom bought a large quantity of books in the bookstore.汤姆在书店买了大量的书。We need great quantities of fresh water to support these plants lives.我们需要大量的淡水来维持这些植物的生命。拓展 “a quantity of +可数名词复数形式或不可数名词”充当主语时，谓语动词通常用单数；“quantities of +可数名词复数形式或不可数名词”充当主语时，谓语动词通常用复数。如：A large quantity of food is needed in the flood area.Large quantities of food are needed in the flood area.洪水灾区需要大量的食品。A large quantity of books has been offered to us. 大量的书被提供给我们。Large quantities of books have been sent there.大量的书被送往那里。小试 根据括号内的汉语提示完成下列句子。1. _ (需要大量的钱来重建) the earthquake-hit area.2. Its healthy for the old _ (摄入少量的盐).Key: 1. Large quantities of money are needed to rebuild / a large quantity of money is needed to rebuild 2. to eat a small quantity of saltresult inresult in 意为“导致；造成”，后接导致某事的结果，句子的主语是原因。如：The accident that happened in front of our school yesterday resulted in ten deaths.昨天发生在我们学校前的那起事故导致十人死亡。The talks resulted in reducing the number of missiles.谈判结果削减了导弹数量。拓展 result from 表示“由造成，因而产生”，后接导致某事的原因，句子的主语是结果。如：The terrible accident resulted from his careless driving.那起可怕的事故因他的粗心驾驶而引起。小试 根据括号内的汉语提示完成下列句子。1. His being late for the performance _（导致了全盘失败）.2. His heart disease _（由于食用过多的高脂食物）.3 The experiment _（导致新发现）of a cure for cancer.Key:1. resulted in a complete failure 2. resulted from eating too much fat-rich food 3. resulted in a new discovery 111