【资格考试】2019最新整理--(备考辅导)考研英语精读 32

——教学资料参考参考范本—— 【资格考试】2019最新整理--(备考辅导)考研英语精读 32 ______年______月______日 ____________________部门 1 / 12 DEER AND THE ENERGY CYCLE Some persons say that love makes the world go round. Others of a less romantic and more practical turn of mind say that it isn't love； it's money. But the truth is that it is energy that makes the world go round. Energy is the currency of the ecological system and life becomes possible only when food is converted into energy， which in turn is used to seek more food to grow， to reproduce and to survive. On this cycle all life depends. It is fairly well known that wild animals survive from year to year by eating as much as they can during times of plenty， the summer and fall， storing the excess， usually in the form of fat， and then using these reserves of fat to survive during the hard times in winter when food is scarce. But it is probably less well known that even with their stored fat， wild animals spend less energy to live in winter than in summer. A good case in point is the whiter-tailed deer. Like most wildlife， deer reproduce， grow， and store fat in the summer and fall when there is plenty of nutritious food available. A physically mature female deer in good condition who has conceived in November and given birth to two fawns during the end of May or first part of June， must search for 2 / 12