地大11春学期《微积分(一)》离线作业二1设连续又求.2设求.3计算积分 4求曲线的凹凸区间与拐点.5求抛物线及其点(0)和(30)处的切线所围成图形的面积.2解:y=( ex )( x)- (ex) =( ex) (x)(ex)( x) -(ex) =12 ex Y=12( ex)= ex4 x3 解:令2x1=ux=u
地大《微积分(一)》离线作业1计算极限 2求的连续区间和间断点并指出间断点的类型.3设求.4计算积分 .5要造一个长方形的无盖蓄水池其容积为500立方米底面为正方形设底面与四壁所使用材料的单位造价相同问底边和高各为多少米时才能使所用材料费最省 : 第 PAGE 1 页 共 1 页
福师11春学期《大学语文(二)》在线作业二一多选题(共?10?道试题共?20?分)1.??古文运动提倡( ) A. 提倡先秦两汉时期的散文形式B. 反对骈文C. 主张文章必须志道明道D. 强调文真情切褒贬社会贵在创新满分:2??分2.??三苏是指____ A. 苏轼B. 苏洵C. 苏辙D. 苏有满分:2??分3.??三袁是指____ A. 袁宏道B. 袁中道C. 袁宗道D. 袁似道满分:2?
1.??Not until the game had begun ________ at the sports ground. A. had he arrivedB. would he have arrivedC. did he arriveD. should he have arrived??????满分:4??分2.??This kind of glasses manufactured by
福师11春学期《大学英语(2)》在线作业二一单选题(共?50?道试题共?100?分)1.??Copper as well as most metals ____________. A. is a good conductorB. is a good insulatorC. are good conductorsD. are good insulators??????满分:2??分2.??War a
福师11春学期《大学英语(2)》在线作业二一单选题1. Copper as well as most metals ____________.A. is a good conductorB. is a good insulatorC. are good conductorsD. are good insulators正确答案:A2. War and peace ____________a cons
一单选题(共?25?道试题共?100?分)1.??Have you ______ my knife A. finished upB. finished offC. finished inD. finished with??????满分:4??分2.??You may borrow this book __________ you promise to give it back. A. so lon
东财11春学期《大学英语2》在线作业二 ?1.? In the 1960s there was a change in fashion in _____ of small cars. A. feverB. foveaC. favorD. fear正确答案:C????? 满分:4? 分? 得分:42.? —Its very kind of you to help me with my English
福师11春学期《大学英语(2)》在线作业一1. The reason I plan to go is ____________if I dont. A. because she will be unhappyB. that she will be unhappyC. what she will be unhappyD. for she will be unhappy2. Large quan
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