2010-2023历年—福建省宁德市三校高二下学期期中联考英语卷.docxVIP

2010-2023历年—福建省宁德市三校高二下学期期中联考英语卷

第1卷

一.参考题库(共10题)

1.AgovernmentofficialwasmurderedlastFridayandthepolicearecollectinginformationthatis________tothecase.

A．relevantto

B．similarto

C．devotedto

D．addictedto

2.Theydesiredthatthey___therighttovote.

A．had

B．have

C．are

D．were

3.Thefiddlercrab(蟹)isalivingclock.Itshowsthetimeofdaybythecolourofitsskin,whichisdarkbydayandpalebynight.Thecrab’schangingcolourfollowsaregulartwenty—fourhourplanthatexactlymatchesthedailyrhythmofthesun.

Doesthecrabactuallykeeptime,ordoesitsskinsimplyanswertothesun’srays,changingcolouraccordingtotheamountoflightstrikesit?Tofindout,biologistskeptcrabsinadarkroomfortwomonths.Evenwithoutdaylight,thecrab’sskincolourcontinuedtochangeexactlyontime.

Thischaracteristicprobablydevelopedgraduallyinanswertothedailyrisingandsettingofthesun,tohelpprotectthecrabfromsunlightandenemies.Aftermillionsofyearsithasbecomecompletelyregulated(受控制)insidethelivingbodyofthecrab.

Thebiologistsnoticedthatonceeachdaythecolourofthefiddlercrabisespeciallydark,andthateachdaythishappensfiftyminuteslaterthanonthedaybefore.Fromthistheydiscoveredthateachcrabfollowsnotonlytherhythmofthesunbutalsothatofthetides(潮水).Thecrab’speriodofgreatestdarkeningisexactlythetimeoflowtideonthebeachwhereitwascaught!

【小题1】Thefiddlercrabislikeaclockbecauseitchangescolour______.

Ainaregular24—hourrhythm?????????????B.inanswertothesun’srays

C.atlowtide????????????????????????????D.everyfiftyminutes

【小题2】Thecrab’schangingcolour______.

A．tellsthecrabwhattimeitis

B．protectsthecrabfromthesunlightandenemies

C．keepsthecrabwarm

D．isofnorealuse

【小题3】Whenthefiddlercrabswerekeptinthedark,they______.

A．didnotchangecolour

B．changedcolourmorequickly

C．changedcolour