新四级翻译真题练习.ppt

1、2007.6,87. The finding of this study failed to_ (将人们的睡眠质量考虑在内) 88. The prevention and treatment of AIDS is_ （我们可以合作的领域） 89. Because of the leg injury, the athlete_ (决定退出比赛） 90. To make donations or for more information, please _（按以下地址和我们联系） 91. Please come here at ten tomorrow morning_ （如果你方便的话）,参考译

2、文 87. consider the quality of humans sleep. 88. one field of our cooperation. 89. decided/decides to quit the match. 90. contact us at the following address. 91. at your convenience.,2007.12,87. _(多亏了一系列的新发明), doctors can treat this disease successfully. 88. In my sixties, one change I notice is tha

3、t _ (我比以前更容易累了). 89. I am going to purchase this course, _ (无论我要作出什么样的牺牲). 90. I would prefer shopping online to shopping in a department store because _(它更加方便和省时). 91. Many Americans live on credit, and their quality of life _ (是用他们能够借到多少来衡量的), not how much they can earn.,参考译文 87. Thanks to/series

4、of new inventions 88. I feel/get tired more easily than before 89. no matter what sacrifice I am going to make/ whatever sacrifice I will make/ no matter how much I would sacrifice 90. it/ the former is more convenient and timesaving 91. is measured by how much they can borrow,2008.6,87. Our efforts

5、 will pay off if the results of this research _(能应用于新技术的开发). 88. I cant boot my computer now. Something _ (一定出了毛病) with its operation system. 89. Leaving ones job, _ (不管是什么工作), is a difficult change, even for those who look forward to retiring. 90. _(与我成长的地方相比), this town is more prosperous and exci

6、ting. 91. _(直到他完成使命) did he realize that he was seriously ill.,参考译文 87. can be applied to the development of the new technology 88. must be wrong 89. whatever it could be 90. Compared with the place where I grew up 91. Until he accomplished his mission,2008.12,87. Medical researchers are painfully a

7、ware that there are many problems_ (他们至今还没有答案) 88. _（大多数父母所关心的）is providing the best education possible for their children. 89. Youd better take a sweater with you _(以防天气冷). 90. Through the project, many people have received training and _ (决定自己创业). 91. The anti-virus agent was not known _ (直到一名医 生偶

8、然发现了它),参考译文 87. (which / that ) they have not come up with / found a solution to. 88. What concerns most parents. / What most parents are concerned about. 89. in case it turns / becomes cold. / in case it should turn / become cold. 90. to launch / set up / establish / begin their own enterprise. 91.

9、 until a doctor discovered it accidentally / by chance.,2009-6,87. Soon after he transferred to the new school , Ali found that he had (很难跟上班里的同学)in math and English. 88. If she had returned an hour earlier , Mary (就不会被大雨淋湿了). 89. It is said that those who are stressed or working overtime are (更有可能增

10、加体重). 90. (很多人所没有意识到的) is that Simon is a lover of sports. and football in particular. 91.The study shows that the poor functioning of the human body is (与缺乏锻炼密切相关,87.difficulty (in) keeping up with his classmates 88.wouldnt have been caught in the heavy rain 89. likely to put on/gain weight 90.What

11、 many people havent realized 91.closely related to the lack of exercise,2009-12,87You would not have failed if you (按照我的指令去做). 88. Despite the hardship he encountered, Mark never (放弃对知识的追求). 89. Scientists agree that it will be a long time (我们找到治愈癌症的方法). 90. Production has to be increased considerab

12、ly to (与消费者不断增长的需求保持同步). 91. The more exercise you take, (你越不大可能得感冒),87.had followed my instructions 88.gave up pursuing knowledge 89.before we find the cure for caner 90.keep pace with the constantly increasing demands of consumers 91.the less likely you are to catch a cold,2010-6,87.Becauseoftheno

13、iseoutside,Nancy .(无法集中注意力在实验上) 88.Themanagerneverlaughed; .(她也从来没有发过脾气) 89. Welookforwardto (被邀请出席开幕式) 90.Itissuggestedthattheairconditioner .(要安装在窗户旁)91.The16-year-oldgirldecidedtotravelabroadonherown .(她父母的强烈反对),87.hadgreatdifficultyinfocusingontheexperiment 88.neitherhadshelosthertemper 89.being

14、invitedtoattendtheopeningceremony 90.(should)beinstalledbythewindow 91.despiteherparentsstrongobjection,光电效应给波动说带来的困惑,只要入射光强足够大，能量增大,总会有光电子发射，与频率无关。,入射频率必须大于红限。,入射光强增大受迫振动能量增强，初动能增大。,初动能与入射光强无关。,电子吸收能量需要时间积累效应。,入射光的照射和发射光电子几乎瞬时。,光电效应给波动说带来了无法解释的现象!,海森伯不确定关系,德布罗意波,玻尔氢原子理论,康普顿散射实验,卢瑟福原子模型,粒子散射实验,光电效应,

15、实验,理论,作用,爱因斯坦光子说的王牌,提出光子概念,粒子碰撞理论,提出原子有核结构,氢原子光谱实验,解释氢原子光谱和结构,电子衍射实验,电子单缝衍射实验,说明微观粒子的局限性，划分了经典力学与量子力学的界限。,第十六章小结,爱因斯坦光子说的盾牌,将波和粒子两个概念以物质波的形式联系起来,热辐射实验,普朗克能量子假设,创立量子理论,例：一质量 m0.05kg 的子弹以速率 v300ms 运动时，其德布罗意波长,计算说明，对于普通的宏观物体，质量大波长小，且已小到超出实验测量的范围，故表现出经典特性。但在微观领域，德布罗意波长和原子尺度可以相比，因而能显示波动性。,一速率为 500kms 的粒子（m41.6710-27kg），其德布罗意波长,一、光电效应的爱因斯坦方程:,重 点 内 容,（1）入射频率必须大于截止频率（也称红限）,（2）只要入射频率大于截止频率，遏止电势差U0与入射光频率之间具有线性关系。,（3） 只要入射频率大于截止频率，就立即有光子逸出，而与光强度无关。,一个光子的能量,一个光子的动量,光子的静止质量,二、光的波粒二象性,机动 目录 上页 下页 返回 结束,例1,计算积分,为正向圆周：,解:,和,由规则,极点,机动 目录 上页 下页 返回 结束,所以,或由规则,机动 目录 上页 下页 返回 结束,例2,计算积分,为正向圆周：,解