第一部分：词汇选项(第1～15题，每题1分，共15分)
　　下面共有l5个句子，每个句子中均有l个词或短语划有底横线，请从每个句子后面所给的4个选项中选择l个与划线部分意义最相近的词或短语。答案一律涂在答题卡相应的位置上。
　　l　The cylindrical shape of a cactus reduces moisture loss.
　　A　lessens
　　B　delays
　　C　redistributes
　　D　reverses
　　2　In temperate regions the growth rings on turtles' epidermal plates reflect seasonal variations in growth.
　　A　indicate
　　B　stimulate
　　C　include
　　D　prevent
　　3　During the l840's, Dorothea Dix was a leader in the movement for the reform of prison conditions.
　　A　unification
　　B　creation
　　C　revival
　　D　betterment
　　4　The polar regions are generally covered with ice and snow.
　　A　areas
　　B　rocks
　　C　mountains
　　D　seas
　　5　Against the advice of his accountants, Henry Ford regularly reduced the price of his early automobiles.
　　A　recklessly
　　B　hesitantly
　　C　greatly
　　D　routinely
　　6　Proper exercise plays a significant role in the rehabilitation of patients with various back ailments.
　　A　operation
　　B　recovery
　　C　casting
　　D　relaxation
　　7　It is not possible for people to remember everything that they have thought.
　　A　recall
　　B　appreciate
　　C　repeat
　　D　discuss
　　8　A fossil is remnant of a once-living organism.
　　A　bone
　　B　solvent
　　C　picture
　　D　vestige
　　9　An expert in any field may be defined as a person who possesses specialized skills and is capable of rendering very competent services.
　　A　obtaining
　　B　mastering
　　C　providing
　　D　financing
　　l0　Among the men and women who reshaped the American working class during the early l900s, there were many who were not members of labor unions.
　　A　challenged the rights of
　　B　criticized the views of
　　C　interviewed the leaders of
　　D　changed the character of
　　ll　Recent discoveries in Montana indicate that some dinosaurs may have resided in colonies.
　　A　lived
　　B　died
　　C　hunted
　　D　fed
　　l2　Over thirty cities around the world boast more than five million residents.
　　A　jobs
　　B　dwellings
　　C　blocks
　　D　inhabitants
　　l3　By l900, many municipalities had begun to restrict the use of automobiles in order to ensure pedestrian safety.
　　A　test
　　B　limit
　　C　standardize
　　D　prohibit
　　l4　High wages and restrictive work practices are said to have created new nonunion competition.
　　A　inefficient
　　B　recognized
　　C　limiting
　　D　dangerous
　　l5　The host important result of the Lewis and Clark expedition was that it enabled the United States to claim the Oregon region.
　　A　regret
　　B　problem
　　C　outcome
　　D　controversy