Unit 11 练习

　　1.动物研究对人类医学的发展做出了重大的贡献。

　　Animal research has made great contributions to human medical development.

　　Animal research has contributed a great deal to the development of human medicine.

　　2.动物研究是否与人体健康有关，人们持不同态度。

　　People have different ideas about whether animal research is relevant to human health.

　　3.用于实验的动物数量在过去二十年中已大大减少了。

　　The number of animals used in experiments has declined greatly over the past 20 years.

　　研究的新成果表明，少数实验可以放弃使用动物。

　　4.The new research findings show that a few experiments can be done without using animals.

　　The new development in research has shown that a small proportion of tests can be done without using animals.

　　5.尽管医学技术越来越先进，但完全停止使用动物做实验仍然很远。

　　Although medical techniques are becoming more advanced， stopping testing on animals altogether is a long way away.

　　Although medical technique becomes more and more advanced， stopping testing on animals altogether is a long way away.

　　历年考题

　　1.The number of animals used in laboratory tests _____（decline） over the last 20 years. （99.10）

　　答案：has declined.

　　考点：本句中over the last 20 years 是明显的表示现在完成时的时间状语。因此本句用现在完成时。

　　2.To assume the care for the pets can help bring _____ the humanity in our children and even in us adults. （99.10）

　　A.about

　　B.in

　　C.out

　　D.up

　　答案：C.

　　考点： 本题主要考查词组bring out 表示“使显示，显现；生产，使产生”。

　　3.It is touching to see how a cat or dog - especially a dog - itself to family and wants to share in all its goings and comings. （00.4）

　　A.attributes

　　B.applies

　　C.assigned

　　D.attaches

　　答案：D.

　　考点：本题主要考查词组attach … to 表示“把…附加到，使…与…相关”。

　　4.As research techniques become more advanced， the number of animals _____（use）in experiments may decrease. （00.10）

　　答案：used.

　　考点：本题主要考查used 过去分词 做定语修饰animals.

　　5.Some people think that animal research is irrelevant _____ our health and that it can often produce misleading results. （01.4）

　　A.with

　　B.at

　　C.on

　　D.to

　　答案：D.

　　本题主要考查词组be irrelevant to 表示“与…不相关”。

　　6.汉译英：他的肤色与他是否是个好教授没有关系。

　　The color of his skin is irrelevant to whether he is a good professor or not.

　　7.As research techniques become more advanced， the number of animals used in experiments may decrease， but stopping _____（test） on animals altogether is a long way away.

　　答案：testing.