问题
名词解释
粘流活化能
答案
参考答案：
E定义为每摩尔运动单元所需要的能量，它表征粘度对温度的依赖性，E越大，粘度对温度的依赖性越强，温度升高，其粘度下降得越多。
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粘流活化能
参考答案：
E定义为每摩尔运动单元所需要的能量，它表征粘度对温度的依赖性，E越大，粘度对温度的依赖性越强，温度升高，其粘度下降得越多。
| 完形填空。 | |||
| A 25-year-old student from Hubei was admitted into Tsinghua，China’s most famous university after an eight-year __1_ .Li Jun comes from a poor family in a small village of Hubei Province．He first __2__ going to college in the year 2000 __3__ he was admitted by a 1ocal school after __4_ from a secondary technical school at age 17．A __5_art student，he passed the exam again next year but __6__ school due to economic pressures in September 2002．Life seemed __7__but Li didn’t’t give in．He earned a ___8__ by working part time in Wuhan’s art rooms and tutoring students．But he never lost sight of his lifelong dream of __9__the Academy of Arts＆Design of Tsinghua University．Li _10__ the college entrance examination for five continuous years starting from 2003． __11 ，he missed making the cut by one mark last year． In 2008，his fifth try，Li’s efforts __12 .He finished the qualifying exam in his province and was finally admitted as a sculpture major into Tsinghua University．Every year．Li took art __13_ in Beijing and took exams from December to March．He then took cultural courses in his school till June．The rest of the year he spent on __14__work．Li said he hadn’t __15__ any money from his family since he graduated from the technical secondary school．Li said the reason he maintained for eight years was that he wanted to change his _16__ through knowledge。 __17 _by his contribution，Li Jun’s university ___18__ him 9000 yuan out of his tuition fees of 11450 yuan．An eight-year struggle may have come to an end for LiJun，but a new _19__ has now begun．Li said he would not worry about repaying loans at present．He wants to study well and ___20 _ more scholarships． | |||
| ( )1.A．research ( )2.A．talked of ( )3.A．where ( )4.A．learning ( )5.A．gifted ( )6.A. went on with ( )7.A．unfair ( )8.A．value ( )9.A．entering ( )10.A．turned to ( )11.A．Instead ( )12.A．took off ( )13.A．ways ( )14.A．fulltime ( )15.A．asked for ( )16.A．fate ( )17.A．Encouraged ( )18.A．funded ( )19.A．challenge ( )20.A．spend | B．service B．told of B．since B．separating B．surprised B. watched out for B．hard B．respect B．visiting B．applied for B．At times B．paid off B．programmes B．parttime B．looked for B．ideal B．1nfluenccd B．gave B．1ife B．win | C．struggle C．dreamt of C．that C．dating C．interested C. 1ooked forward to C．practical C．freedom C．supporting C．called for C．However C．gave off C．courses C．outofdoor C．prayed for C．plan C．Accused C．paid C．case C．care | D．expectation D．knew of D．when D．graduating D．easy going D．dropped out of D．busy D．1iving D．pursuing D．adapted to D．Besides D．sent off D．success D．all D．waited for D．opinion D．Impressed D．cost D．relationship D．use |