5. Life is cruel to both animals and human beings . if the physician don’t create an animal model of the problem, they have to do experiments on human beings, or the medical knowledge will remain static.
6. Drugs to cure infection will remain undiscovered, surgical and diagnostic techniques will remain undeveloped, and fundamental biological processes will remain mysteries.
7. Because protection from serious sickness and drugs as well as most complex surgical procedures were initially developed in animals instead of human beings
8. If the more radical members of this movement are successful in threatening further research, their efforts will bring about a tragedy that will cost the lives of many human beings.
Language focus
word in use
3.
1. arresting 2. omits 3. optional
4. transplanted 5. hence 6. twisted
7. stung 8. minute 9. imitate
10. evil
4.
Words learned New words formed
-ence
interfere interference
-er
thrill thriller
-ly
scarcely scarce
specially special
-ion
consume consumption
deceive deception
invade invasion
proceed procession
5.
1. interference 2. invasion
3. Consumption 4. procession
5. specific 6. deception
7. scare 8. thriller
6.
1.B 2. G 3. L 4. K 5. F
6. D 7. H 8. N 9. E 10.I
7.
1. persisted in 2. have relevance to
3. becoming aware of
4. isolated from
5. in the name of
6. make a contribution
7. been occupied with
8. tip the scales
9.
世界自然基金会（WWF）是一个致力于有关保护，研究和修复环境议题的国际性非政府组织。 该组织最初于1961被命名为世界野生动物基金会。1986年， 它更名为世界自然基金会， 以更好地反映其活动范围。 它是世界上最大的，独立的自然保护组织，拥有世界各地超个500万的支持者， 在100多个国家里开展工作，并援助约1,300个与自然和环境保护有关的项目。它的任务是阻止破坏地球的生态环境，建立一个能使人类与自然和谐相处的未来。目前，其大部分工作集中在对海洋和海岸，森林，淡水的保护。在其他问题上，它也关注濒危物种， 污染和气候变化。现在他们最需要的是资金，以履行其使命和处理有关的突发事件。
10.
Since the founding of New China, especially since the economic reform and door-opening to the world, the Chinese government has made considerable efforts in eco-environmental protection and achieved effective progress. The government has taken a series of important measures to protect and improve the ecological environment, such as actively promoting key ecological projects, enhancing ecosystem construction and biodiversity conservations, establishing a number of nature reservation, ecological demonstration zones, scenic spots and forest parks. One of the important goals of building a socialist harmonious society is to strengthen ecological protection and construction and to achieve harmony between man and nature. Environmental protection and ecological civilization construction have provided a solid foundation for the sustainable development of China’s economy and society.
Ex. 2 understanding the text:
1 D 2 A 3 C 4 C 5 D 6 B 7 D 8 C
Ex.4 words in use
1 emitted 2 shoved 3 sneak 4 symbol 5 wakened
6 lagged 7 ditch 8 countdown 9 discharged 10 rotated
Ex .5 expressions in use
1 out 2 with 3 in 4 between 5 from 6 of 7 with 8 over
Sentence structure
Ex.8
o People with sleeping disorder cannot sleep much , as is the case with the people who get older
o The new irrigation system would require farmers to apply for a planning permission, as is the case with other commercial or industrial developments. o We have seen encouraging signs of improvemen
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