for an Indian to rese high in life. 14 ) It is easy to fall into bad habits but very difficult to break away form them. 15 ) It ’ s not easy to size up ( 预计 ) the situation right now. For we are not well informed on recent developments. 16 ) It is not easy to say exactly what each part of the brain does. 17 ) It is not wise to change you money into U . S. currency. 18 ) It was not until about 1600B.C. when the chariot ( 马拉战车 ) was invented that the maximum speed was raised to roughly twenty miles per hour. 19 ) It is only recently that science has begun to give us some idea of how the brain really works. 20 ) It was not until the century that man realized that the whole of the brain was involved in the working of the mind. 21 ) It is conflict and not unquestioning agreement that keeps freedom alive. 22 ) It was in times of crisis that I finally found out what he was really like. 23 ) It took the human race millions of years to attain that record. 24 ) It took a mere twenty-year flick ( 一瞬 ) of time to double the limit again. 25 ) It takes ( took ) sb. some time to do sth. 26 ) If it takes less time to bring a new idea to the marketplace， it also takes less time for it to sweep through the society. 27 ) It will take the council a few weeks to judge the situation before it takes any further action. 28 ) It is well known that many of our problems are caused at least in part by failure to communicate. 29 ) It is fairly well known that wild animals survive form year to year by eating as much as they can during times of plenty. 30 ) It is probably less well known that even with their stored fat，离不开平常的积攒和操练，下面整理了 2020 考研英语作文高分句型之 It 构造篇， wild animals spend less energy to live in winter than in summer. 31 ) It remains unknown whether there are intelligent beings outside the solar system. 32 ) It has been pointed out that in 6000B. C. the fastest transportation available to man over. 33 ) It is now thought that the more work we give our brains， it seemed to him that he was part of the whole event. 41 ) It seems to me that the Americans are a highly mobile people. Most of them like to travel whenever they get the chance. 42 ) It seemed to me that the only thing that mattered was to get her husband back to her. 43 ) But it is only because it is my work to do so. 44 ) It is an encouraging sign that people ’ s purchasing power ( 购置力 ) is on the rise. 45 ) It is common knowledge that chalk absorbs moisture ( 湿气 ) from the air. 46 ) It might be a way to avoid the indignity of having to ask for money all the time. 47 ) It used to be a popular belief the we could foretell a person ’ s future on the basis of the date and time of his birth. 48 ) It pays in the long run ( 从久远的角度看…… ) to introduce new technique. 49 ) It is time for out symbols of technology to change — to catch up with the quickening changes in technology itself. 50 ) It has been only twenty-five years since television came to one of people ’ s pastimes.

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