2011年08月08日 08时44分，《英语资源网:2011自考英语（二）复习资料：UNIT11》由出国留学网liuxue86.com英语编辑整理.

一、word study
replace,litter,refine,reproduce
① replace vt.1、把。。。放回（原处），使恢复（原职）；2、更换，以。。。替代 The airline is currently replacing its DC10s w ith DC Super 80s.
这家航空公司正在用 DC 超 80 飞机取代 DC10 飞机。
Please replace the new spaper after reading.
报纸阅后请放回原处。
② litter n.1、（供动物睡眠或植物防冻的）干草；2、杂乱无章；3、（猫狗等）一窝（仔畜）；4、乱丢的东西（尤指废纸等杂物） vt.1、为（动物）铺草；2、（多产动物）产（仔）；3、乱丢
The boxes are filled w ith litter for the small animals to live in.
箱子里铺满干草以便小动物能够在里边住。
The children picked up all the litter on the playground.
孩子们把乱扔在操场上的废纸等杂物都拾了起来。 I w as surprised to see his room in such a litter. 我看到他的房间如此乱七八糟感到惊讶。
Please don’t litter.
请不要乱丢东西。
Please don’t litter the room.
请不要在屋里乱扔东西。
Please don’t litter w aste papers round the room..
请不要在屋里乱扔废纸。
③ refine vt.1、提纯，精制；2、使精美，使完善
They have built a factory to refine cane sugar.
他们建了一个提炼蔗糖的工厂。 He has refined his manners. 他已使自己的举止仪态变得高雅完美。
Reporters tried to refine their questions to draw their expected response.
记者们力图把问题提得巧妙，以便引起他们所期望的答复。
④ reproduce vt.1、繁殖；2、再生产，再生长（器官）；3、复制；4、再现，重现 There are animals which can reproduce a lost part of their bodies. 有些动物能使身体上失去的某部分再生。
Frogs reproduce themselves by laying eggs.
青蛙通过产卵繁殖。
A tape-recorder w ill reproduce your lecture.
录音机将放出你的讲课录音。
He reproduced the painting by photography.
他通过照相复制了那副油画。
The conditions that existed ten years ago are reproduced today.
十年前的情形今天又重现了。
二、常考句型
1、使用动物对于发展麻醉学具有至关重要的作用。P2
The use of animals has been central to the development of anaesthetics.
2、用动物进行研究与我们的健康无关，它产生的后果常常起误导作用。P4
Animal research is irrelevant to our health and it can often produce misleading results.
3、人和动物对药物的反应不同，身体作用的方式也不同。P4
People and animals are different in their reactions to drugs and in the way their bodies work.
4、如果把还没有在动物身上彻底实验过的药物用在人身上，那是完全不负责任和不道德的。P5
It would be completely irresponsible and unethical to use drugs on people that had not been
thoroughly tested on animals.

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