1、【题目】Themegaphone(microphone)makesthevoicesoundlouderbecauseitpointssoundwavesinonedirectionandkeepsthemfromspreadingoutinalldirections.

选项：

A.slithering

B.radiating

C.interfering

D.murmuring

答案：

解析：

1、【题目】Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.

选项：

A.straight

B.safe

C.real

D.rapid

答案：

解析：

1、【题目】A mythical(imaginary) creature, the dragon was believed to have lion's claws, scaly skin, and fiery breath.

选项：

A.legendary

B.magical

C.frightening

D.perplexing

答案：

A

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：

1、【题目】Theflowerbudofawaterlily百合opensatsunsetsince.itsopeningistriggered(commence).bythedecreasedlight.

选项：

A.alleviated减轻

B.endured

C.setoff

D.coveredup

答案：

解析：

1、【题目】Somecosmeticsmanufacturersattempttocapturetherose'sunmistakablefragrance香味insoapsandperfumes.

选项：

A.design

B.texture

C.scent

D.freshness

答案：

解析：

1、【题目】In 1974 Henry Aaron broke Babe Ruth's monumental lifetime record of 714 home runs.

选项：

A.archaic(old,antique)

B.degrading(discredit)

C.outstanding

D.entire

答案：

C

解析：

暂无解析

1、【题目】TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.

选项：

A.veryfriendly

B.veryuseful

C.verythoughtful.

D.verywealthy

答案：

解析：

1、【题目】Alligators still exist in some of the dank 潮湿 swamps and bayous小海湾 of Alabama's coastal regions.

选项：

A.weirdly古怪的fascinating

B.mythical

C.drab(monotonous)

D.unpleasantlyhumid

答案：

D

解析：

暂无解析

1、【题目】The future survival of the bald eagle is still an important American ecological concern.

选项：

A.migration

B.population

C.existence

D.evolution

答案：

C

解析：

暂无解析