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】One of the greatest breakthroughs for professional women came in 1973 when the field of banking opened up for them.

选项：

A.mostseriousdisappointments

B.mostsignificantadvances

C.mostabruptdeclines

D.mostcrucialsituations

答案：

B

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】Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.

选项：

A.hostile-looking

B.perceptive

C.primitive

D.strangelyformed

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】InthenortheasternUnitedStates,itrainsintermittently间歇地throughoutthespring.

选项：

A.steadily

B.abundantly

C.periodically

D.daily

答案：

解析：

1、【题目】 All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.

选项：

A.asaresultof

B.considering

C.cognizantof(consciousof,awareof)

D.whatever

答案：

D

解析：

暂无解析

1、【题目】Comets are still regarded with awe by some people.

选项：

A.wonder

B.concern

C.resentment

D.detachment

答案：

A

解析：

暂无解析

1、【题目】Foodmustbemoistinordertohaveataste.

选项：

A.appetizing(delicious)

B.nutritious

C.damp

D.chewed

答案：

解析：