In recent years,great efforts have been made to increase the numbers of and

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• 一片英语科技短文的选择here have been many great inventions, things that changed the way we live in. The first great invention was one that is still very important today一the wheel. This made it easier to carry heavy things and to travel long distances. For hundreds of years after that there were few inventions that had as much effect as the wheel. Then in the early 1800's the world started to change. There was little unknown land left in the world. People did not
• 阅读短文,在空白处写出各单词的正确形式,单词的第一个字母已给出(初二)There have been many great inventions that changed the way we live.The f____ great invention was one that is still very i____ today----wheel.This made it e____ to carry heavy things and to travel long distance.For hundreds of years after that there were f____ inventions that as important as the wheel.Then in the early 1800's the world started to c_____.There was l_____ unknown land left in the world.People didn't hav
• There __great changes in our hometown in recent years A have taken B have been
• 英语翻译How do inventions affect people's life?There have been many great inventions,things that changed the way we live.The first great invention was one that is still very important today——the wheel.This made it easier to carry heavy things and to travel long distances.For hundreds of years after that there were few inventions that hadas much effectas the wheel.Then in the early 1800's the world started to changed.There was little unknown and left in th
• 求大神解个英语题thought great efforts have been______ on her study ,Annie can't still make any improvements, which makes her parents greatly _________.A.made;sueprised B.done;surprising C.taken;sureprised D.given;surprising
• 1.Great efforts to increase agricultural production must be made if food shortage ____ advoided.A.is not to be B.can not be C.has not been D.will not be2.I____ my son_____ doctor,but he wasn't good enough at science.A.hoped; turned B.hoped; could became C.had hoped; would turn D.had hoped; would have become3.- Could you take a message for Mr.Green?-Certainly.I ___ him about something else in any case,so it _____ any bother.A.may see; isn'tB.see; won't
• There have been many great inventions,things that changed the way we live.The first great invention was one that is still very important today- the wheel.This made it easier to carry heavy things and to travel long distances.For hundreds of years after that there were few inventions that had as much effect(影响) as the wheel.Then in the early 1800’s the world started to change.There was little unknown land left in the world.People didn’t have to explore
• 阅读短文,根据首字母提示,填空There have been many great inventions that changed the way we live.The f______great invention was one that is still very i_____today--wheel.This made it e______to carry heavy things and to travel long distance.For hundreds of years after that there weref_____inventions that as important as the wheel.Then in the early1800's the world started to c______.There was l_____unknown land left in the world.People didn't have to e______much any m
• 英语阅读填空The "green" car has become popular in recent years.It means that a car is environmen-tally friendly.Today,most cars are powered by p_____.They make our lives easier,and there are lots of great things about them.But cars have also made problems for the environment.Two of the biggest problems are n_____ and pollution.With the world's population growing l_____,we have to think of ways to make cars that are better for the environment.One day,maybe y
• 2.Although Jack made a foolish mistake,we ____ at him.A.needn’t have laughed B.oughtn’t to have laughedC.may have laughed D.couldn’t have laughed3.I won’t be able to attend the meeting tonight because _____.A.I must teach a class B.I teach a classC.I will be teaching a class D.I will have been teaching a class4.Great changes ____ in our institute in the past few years.A.have taken place B.are taken place C.were taken place D.had taken place5.By this t
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