1、【题目】InthenortheasternUnitedStates,itrainsintermittently间歇地throughoutthespring.
选项：
A.steadily
B.abundantly
C.periodically
D.daily
答案：
解析：
1、【题目】The Native American interpreter Sacajawea was a valuable member of the Lewis and dark expedition in 1805.
选项：
A.veryfriendly
B.veryuseful
C.verythoughtful.
D.verywealthy
答案：
B
解析：
暂无解析
1、【题目】In calculating the daily calorie requirements for an individual, variations in body size, physical activity, and age should be taken into account.
选项：
A.numbered
B.stabilized
C.contrasted
D.considered
答案：
D
解析：
暂无解析
1、【题目】Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.
选项：
A.obligations
B.qualities
C.links
D.needs
答案：
解析：
1、【题目】Someseaurchins海胆havevenomous(toxin)spines
选项：
A.sensuous(feeling)
B.crooked(twisted)
C.poisonous
D.sticky
答案：
解析：
1、【题目】When carbon is added to iron in the proper proportions , the result is steel.
选项：
A.container
B.sequence
C.laboratories
D.amounts
答案：
D
解析：
暂无解析
1、【题目】Eyespots, the most rudimentary eyes, are found in protozoan原生动物 flagellates 鞭毛虫 , flatworms 扁形虫 , and segmented worms片段 蠕虫 .
选项：
A.hostile-looking
B.perceptive
C.primitive
D.strangelyformed
答案：
C
解析：
暂无解析
1、【题目】ThefirstimportantexpositionintheUnitedStateswasheldinPhiladelphiain1876.
选项：
A.exhibition
B.concert
C.excursion
D.contest
答案：
解析：
1、【题目】ThecompanyissuesanannualreporteveryMarch.
选项：
A.ayearly
B.acomprehensive
C.afinancial
D.aproduct
答案：
解析：
1、【题目】HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?
选项：
A.only
B.exactly
C.atleast
D.fewerthan
答案：
解析：
1、【题目】Despite the proliferation of other faster modes of transportation, the railroads remain the largest carriers of intercity freight in the United States.
选项：
A.schemes
B.means
C.tracks
D.variables
答案：
B
解析：
暂无解析
1、【题目】With the acquisition of smaller companies by larger ones, the 1960's saw a wave of new conglomerates.
选项：
A.surge
B.handful
C.suspension
D.dissolution分解
答案：
A
解析：
暂无解析
1、【题目】Anoversight遗漏(miss,overslaugh)inproofreadingoftenresultsinprintederrors.
选项：
A.Aninconsistency
B.Adiscrimination
C.Ablotch
D.Aninattention
答案：
解析：
1、【题目】Some animals pant and sweat to speed evaporation of body moisture and thus cool themselves.
选项：
A.wiggle摆动slowly
B.breathequickly
C.rest
D.perspire
答案：
D
解析：
暂无解析
1、【题目】Somechildrendisplayanunquenchable难以抑制的curiosityabouteverynewthingtheyencounter.
选项：
A.insatiable贪的无厌的
B.inherent
C.indiscriminate不加选择的
D.incredible
答案：
解析：
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