下面共有15个句子，每个句子中均有1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1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。
1 Native American artwork and artifacts have been enthusiastically collected and studied abroad for a number of years.
A eagerly
B periodically
C thoroughly
D systematically
2 Manufacturers spend millions of dollars on advertising to entice people to buy their products.
A entertain
B encounter
C tempt
D force
3 Enamel, the hardest substance in a human beings body, covers the entire crown of the tooth.
A whole
B inseparable
C superficial
D main
4 The Industrial Revolution marked the beginning of an epoch of exodus from rural areas to cities.
A episode
B period
C migration
D story
5 All gases and most liquids and solids expand when heated, but they do not expand equally.
A simultaneously
B randomly
C accurately
D uniformly
6 Pendulums are used to regulate motion in some scientific equipments.
A laboratories
B measurements
C apparatuses
D experiments
7 More than 89 of the buildings in Annapolis, Maryland, were erected before the Revolutionary War.
A planned
B leveled
C enlarged
D constructed
8 The North American desert, a vast belt of inhospitable terrain, stretches erratically down the western side of the continent.
A endlessly
B irregularly
C ominously
D longitudinally
9 Scientists, who are now aware of how nautiluses regulate their buoyancy, have been able to dispel erroneous ideas about these creatures.
A misconceptions
B misdemeanors
C misgivings
D misdirections
10 George Washington Carver was esteemed for his contributions in the fields of botany and chemistry.
A respected
B compensated
C criticized
D overlooked
11 The five classic foot positions in ballet are the basis for the ethereal grace of the ballet dancers art.
A balanced
B traditional
C disciplined
D delicate
12 Molly Brown was labeled unsinkable after she helped to evacuate passengers from the ill-fated ship the Titanic.
A anticipate
B comfort
C remove
D shelter
13 The painter Les Quinones, whose graffiti art has been exhibited in New York galleries, has also painted outdoor murals in various Manhattan neighborhoods.
A sold
B shown
C kept
D praised
14 City dwellers are exhilarated by country air.
A amazed
B fanned
C humbled
D stimulated
15 Today in the United States, adult education facilities face rising demand created by expanding leisure time.
A relaxing
B structured
C increasing
D unused
第一部分：
1 A 2 C 3 A 4 B 5 D 6 C 7 D 8 B 9 A 10 A 11 D 12 C 13 B 14 D 15 C