1、【题目】TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.
选项：
A.veryfriendly
B.veryuseful
C.verythoughtful.
D.verywealthy
答案：
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：
1、【题目】Despitetheproliferationofotherfastermodesoftransportation,therailroadsremainthelargestcarriersofintercityfreightintheUnitedStates.
选项：
A.schemes
B.means
C.tracks
D.variables
答案：
解析：
1、【题目】AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent
选项：
A.whollyoperational
B.entirelyserviceable
C.fullyreliable
D.completelysafe
答案：
解析：
1、【题目】In 1861 it seemed inevitable that the Southern states would break away from the Union.
选项：
A.strange
B.certain
C.inconsistent
D.proper
答案：
B
解析：
暂无解析
1、【题目】HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?
选项：
A.only
B.exactly
C.atleast
D.fewerthan
答案：
解析：
1、【题目】Formulatedin1823,theMonroeDoctrineassertedthattheAmericaswerenolongeropentoEuropeancolonization.
选项：
A.emphaticallystated
B.belligerently(aggressively)argued
C.accentuated(emphasize)
D.entreated恳求（implore,plea,invoke）
答案：
解析：
1、【题目】The flower bud of a water lily 百合 opens at sunset since .its opening is triggered(commence) .by the decreased light.
选项：
A.alleviated减轻
B.endured
C.setoff
D.coveredup
答案：
C
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】With lasers scientists can probe many physical processes, such as combustion, once beyond our ken.视野
选项：
A.understanding
B.responsibility
C.interpretation
D.notice
答案：
A
解析：
暂无解析
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