7) Anyone wanting to understand the industry of the future will have to know about robotics. (来源：www.EnglishCN.com)
research attach underlie relevant positive possession desirable relaxation occupation urban acquire participation
be concerned with be relevant to to set … as objective
1) People in advanced industrial societies are increasingly concerned with opportunities for leisure.
2) The importance people attach to paid holidays and the rapid development of services for mass entertainment and recreation are signs of this increasing concern.
3) The specific use of leisure varies from individual to individual.
4) Since leisure is basically self-determined，one is able to take to one's interests and preferences and get involved in an activity in ways that will bring enjoyment and satisfaction.
5) Basically，such attitudes amount to a recognition that leisure is an important area of life and a belief that Leisure can and should be put to good use.
6) For example，the degree to which and the ways in which a school encourages participation in games，sports and cultural pursuits are likely to contribute to the shaping of leisure attitudes on the part of the students.
7) Schools usually set as their educational objective the attainment of a balanced development of the person.
8) The more seriously this is sought，the more likely positive attitudes towards leisure as well as academic work will be encouraged.
flight negotiation transport overcome internal external rhythm feasible assumption promote
effect on to blame… on to advantage now that out of step to leave … alone
1) The problem of Jet Lag is one every international traveler comes across at some time. (para.1)
2) The effects of rapid travel on the body are actually far more disturbing than we realize. (para.2)
3) He later blamed his poor judgement on Jet Lag. (para.3)
4) Now that we understand what Jet lag is，we can go some way to overcoming it.(para.4)
5) The other belongs in our internal clocks which，left alone，would tie the body to a 25 hour - yes，25 - rhythm.(para.5)
6) In time the physiological system will reset itself，but it does take time. (para7)
7) One reason for this discrepancy is that different bodily events are controlled by different factors. (para.8)
8) It is not feasible to wait four days until the body is used to the new time zone. (para.9)
classify approximate proportion appreciation acknowledge alter lengthen wealthy neglect expectation
to approximate to resistance to to cope with attribute … to
1) Nation classified as “aged” when they have 7percent of more of their people aged 65 or above. (para.1)
2) The nearer a society approximates to zero population growth，the older its population is likely to be - at least，for any future that concerns us now.
3) The older you are now，of course，the greater this proportion will be，and greater still if you are a woman.
4) If you are now in your thirties，you ought to be aware that you can expect to live nearly one third of the rest of your life after the age of 60.
election vote certainty loyalty decline democrat strategy pursue impact headquarters economy stir congress representative
to identify……as impact on
1) Candidates try to project a strong leadership image. (para.4)
2) Whether voters accept this image，however，depends more on external factors than on a candidate's personal characteristics. (para. 4)
3) A year later，with the nation's economy in trouble，Bush's approval rating dropped below 40 percent.
4) Candidates are particularly concerned with winning the states which have the largest population.
5) Clinton received only 43 percent of the popular vote in 1992，compared with Bush's 38 percent and Perot's 19 percent.
disorder irrelevant misleading irresponsible eventual replace partly undergo suitable to do research into be central to be irrelevant to to aim for
1) The use of animals has been central to the development of anaesthetics.
2) Animal research is irrelevant to our health and it can often produce misleading results.
3) People and animals are different in their reactions to drugs and in the way their bodies work.
4) It would be completely irresponsible and unethical to use drugs on people that had not been thoroughly tested on animals.
5) The eventual aim of computer modeling is to reduce the number of animals used in experiments.
6) Many other new techniques are now available that enable more research to be done in the test tube to see if chemicals produce harmful biological effects.
7) The number of animals used in laboratory tests has declined over the last 20 years.
8) This is partly due to alternatives and partly to the fact that experiments are better designed so fewer need to be used.
9) Professor David Morton of the department is involved in animal research and is concerned with reducing animal suffering as much as possible.
10) This includes keeping them in more suitable cages.
11) In the US，one experiment in nerve regeneration involves cutting a big nerve in a rat's leg.