1、【题目】The Salk vaccine is a major factor in the fight to eradicate polio.

选项：

A.completelydestroy

B.carefullydisguise

C.sustain

D.contain

答案：

A

解析：

暂无解析

1、【题目】Insectpestsareamongtheleadingcausesofcropfailure.

选项：

A.expected

B.chief

C.natural

D.least

答案：

解析：

1、【题目】Bythenineteenthcentury,embroideryonmen'sclothinghadvirtuallydisappearedexceptfortheoccasionaldecorativevestandtie.

选项：

A.almost

B.definitely

C.already

D.universally

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】Solidgeometryhasenabledastronomerstocalculatethepositionsoftheheavenlybodiesrelativetooneanother.

选项：

A.ontopof

B.nextto

C.inspiteof

D.withrespectto

答案：

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

1、【题目】Double Eagle in the first transatlantic balloon, was greeted by avid crowds in France.

选项：

A.eager

B.surging

C.appreciative

D.vigorous

答案：

A

解析：

暂无解析

1、【题目】Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.

选项：

A.hand-carved

B.roughlymade

C.flat

D.heavy

答案：

解析：

1、【题目】WhileBillieHolidaydidnotinventthemusiccalled"theblues",shemostassuredlyhelpedpopularizeit.

选项：

A.finally

B.certainly

C.earnestly

D.enthusiastically

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】In1861itseemedinevitablethattheSouthernstateswouldbreakawayfromtheUnion.

选项：

A.strange

B.certain

C.inconsistent

D.proper

答案：

解析：

1、【题目】How many people are aware that a dancer with the New York City Ballet typically wears out a minimum of two hundred pairs of toe shoes per year?

选项：

A.only

B.exactly

C.atleast

D.fewerthan

答案：

C

解析：

暂无解析

1、【题目】DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.

选项：

A.eager

B.surging

C.appreciative

D.vigorous

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】Alllivingorganisms,regardlessoftheiruniqueidentity,havecertainbiological,chemical,andphysicalcharacteristicsincommon.

选项：

A.asaresultof

B.considering

C.cognizantof(consciousof,awareof)

D.whatever

答案：

解析：