Tom has been a vegetarian ____principle for years .
A、inB
【句意】多年來，湯姆一直是一個按原則行事的素食者。
【難點】onprinciple意為“根據行為準則;按照原則”;inprinciple意為“原則上;基本上;大體上”。for和by不與principle搭配。
Californiaisalandofvarietyandcontrast.Almosteverytypeofphysicallandfeature，sortofarcticicefieldsandtropicaljunglescanbefoundwithinitsborders.Sharplycontrastingtypesoflandoftenlieveryclosetooneanother.PeoplelivinginBakersfield，forinstance，canvisitthePacificOceanandthecoastalplain，thefertileSanJoaquinValley，thearidMojaveDesert，andthehighSierraNevada，allwithinaradiusofabout100miles.Inotherareasitispossibletogosnowskiinginthemorningandsurfingintheeveningofthesameday，withouthavingtotravellongdistance.ContrastaboundsinCalifornia.ThehighestpointintheUnitedStates(outsideAlaska)isinCalifornia，andsoisthelowestpoint(includingAlaska)。MountWhitney，14，494feetabovesealevel，isseparatedfromDeathValley，282feetbelowsealevel，byadistanceofonly100miles.Thetwoareashaveadifferenceinaltitudeofalmostthreemiles.Californiahasdeep，clearmountainlakeslikeLakeTahoe，thedeepestinthecountry，butitalsohasshallow，saltydesertlakes.IthasLakeTulainyo，12，020feetabovesealevel，andthelowestlakeinthecountry，theSaltonSea，236feetbelowsealevel.Someofitslakes，likeOwensLakeinDeathValley，arenotlakesatall：theyaredrieduplakebeds.Inadditiontomountains，lakes，valleys，deserts，andplateaus，CaliforniahasitsPacificcoastline，stretchinglongerthanthecoastlinesofOregonandWashingtoncombined.
1.WhichofthefollowingisthelowestpointintheUnitedStates?
A.LakeTulainyoB.MojavedesertC.DeathValleyD.TheSaltonSea
2.WhereisthehighestpointintheUnitedStateslocated?
A.LakeTahoe.
B.SierraNevada.C.MountWhitney.
D.Alaska.
3.HowfarawayisDeathValleyfromMountWhitney?
A.About3miles.
D.14，494feet.
4.WhichofthefollowingisNOTmentionedinthepassageasbeingwithinaradiusofabout100milesofBakersfield?
A.ThePacificOcean.
B.SanJoaquinValley.
C.MojaveDesert.
D.OregonandWashington.
5.WhichstatementbestdemonstratesthatCaliforniaisalandofvarietyandcontrast?
A.ThehighestlakeinCaliforniaisLakeTulainyo.
B.ItispossibletogosurfingandsnowskiinginsomepartsofCaliforniawithouthavingtotravellongdistance.
C.SierraNevada，SanJoaquinValley，MojaveDesertandthePacificOceanallliewithinaradiusofabout100miles.
D.OwensLake，inDeathValley，isnotreallyalakeatall.
Physicsisthepresentdayequivalentof____usedtobecallednaturalphilosophy,from____mostofpresentdaysciencearose.
漢譯英：暮色中，河灣里落滿云霞，與天際的顏色混合一起，分不清哪是流云哪是水灣。也就在這一幅絢爛的圖畫旁邊，在河灣之畔，一群羊正在低頭覓食。它們幾乎沒有一個顧得上抬起頭來，看一眼這美麗的黃昏。也許它們要抓緊時間，在即將回家的最后一刻再次咀嚼。這是黃河灘上的一幕。牧羊人不見了，他不知在處歇息。只有這些美生靈自由自在地享受著這個黃昏。這兒水草肥美，讓它們長得肥滾滾的，像些胖娃娃。如果走近了，會發現它們那可愛的神情，潔白的牙齒，那豐富而單純的表情。如果稍稍長久一點端詳這張張面龐，還會生出無限的憐憫。
Mycoat__________therebehindthedoor.Can’tyouseeit?
As____clearfromhismanners,heisateacher.
