第十单元
1.常考单词：
election vote certainty loyalty decline democrat strategy pursue impact headquarters economy stir congress representative
2. 常考词组：
to identify……as impact on
3. 常考句子：
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）
此句注意主语从句作主语。
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.
第十一单元
1.常考单词：
disorder irrelevant misleading irresponsible eventual replace partly undergo suitable to do research into be central to be irrelevant to to aim for
2. 常考句子：
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.
include 后面接动名词作宾语。
11）In the US，one experiment in nerve regeneration involves cutting a big nerve in a rat's leg.
involve 后面接动名词作宾语。
12）When it comes to research into heart disease and its effects on the body，or diseases of the brain for example，we do not have adequate substitutes for the use of animals.
When it comes to 当提到 … 的时候
第十二单元
1.常考单词：
symptom intellectual detail initial inventor confront sensitivity reflection creativity character trace modest investment to substitute … for be contrary to to put off be confronted with to gaze at be unaware of to impress…on be free from be beneficial to
2. 常考句子：
1）At its best，daydreaming was considered a compensatory substitute for the real things in life.
2）There are always those who would substitute fantasy lives for the rewards of real activity.（para.2）
3）Most people suffer from a lack of daydreaming rather than an excess of it. （para.2）
4）Not only are they less able to deal with the pressure of day-to-day existence，but also their self -control and self-direction become endangered. （para.2）
5）But its beneficial effects go beyond this. （para. 3）
Go beyond 表示“超越 …，不仅仅是 … ”
6）Historically，scientists and inventors are one group that seems to take full advantage of relaxed moments.
Take advantage of 利用
7）Whenever confronted with a task which seemed too hard to be dealt with，he would stretch out on his laboratory sofa and let fantasies flood his mind. （para.7）
8） Picture yourself as winning and that will contribute remarkably to success.
The important thing to remember is to picture these desired objectives as if you had already attained them.
第十三单元
1.常考单词：
compel voluntary undertake coincide manual efficiency compulsion division eliminate boring amusement so far as …knows to coincide with attitude toward to go in for
2. 常考句子：
1）He cannot be really happy if h is compelled by society to do what he does not enjoy doing.
2）Whether a job is to be classified as labor or work depends，not on the job itself，but on the tastes of the individual who undertake it.
3）The difference does not，for example，coincide with the difference between a manual and a mental job.
4）So that it is natural for him to imagine that the fewer hours he has to spend laboring，and the more hours he is free to play，the better.