【红宝书】考研英语—第一套模拟试题_NoRestriction.pdfVIP

红宝书网址： 【红宝书】考研英语考前预测—最后冲刺 3 套题 （红宝书 网上附赠） 2011 年全国硕士研究生入学考试英语模拟试题（第一套） Section I Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C, or D on ANSWER SHEET 1. (10 points) 1U U At the beginning of the century, medical scientists made a surprising discovery: that we are not just of flesh and blood but also of time. They were able toU 2 that we all have an internalU “body clock” whichU 3 the rise and fall of our body energies, making us different from one dayU to theU 4 U . These forces became known as biorhythms; they create theU 5 U in our everyday life. TheU 6 U of an internal “body clock ”should not be too surprising, U 7 the lives of mostU living things are dominated by the 24 hour night and day cycle. The most obviousU 8 U of this cycle is theU 9 we feel tired and fall asleep at night and become awake andU U 10 U during the day.U 11 the 24U hour rhythm is interrupted, most people experience unpleasant side effects. 12U U , international aeropla