快速阅读：cabdc,db,not entirely clear,family size,partly genetic。
36 appearance 37 38.dacades 39.exported
40.apparent 41.percentage 42.combination 43.convenient
44.our air quality now suffers from the effects of the
pollutants emitted directly from our cars.
45.the problems caused by motorized vehicles in the west
are offen magnified in developing nations.
46.movement in some cities comes to a vitual standstill,
as motorized traffic competes with bicycles and pedestrians.
阅读：47.lighter and more shock-asorbent.
48.potentials in the u.s
51.the team sprits and shared values of the athlets.
翻译：82.made a perfect combanition of beauty and function.
83.know which way to take
84.deprive children of their freedom
85.a lower death rate compared with raletively people
86.why you should be the best candidate.
- [in´stiŋktivli] ad.本能地 四级词汇
- [in´æktiv] a.不活动的 六级词汇