BBC News 美国开始胚胎干细胞临床试验

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1、BBCNews:美国开始胚胎干细胞临床试验BBCNewswithDavidLeggeThecommanderofUnitedStatesandNatoforcesinAfghanistan,GeneralDavidPetraeus,hasorderedaninvestigationintothedeathofakidnappedBritishaidworkerkilledduringarescueattemptonFriday.HisannouncementcomesaftertheUSmilitaryrevealedthattheaid

2、workerLindaNorgrovemayhavebeenkilledbyagrenadethrownbyAmericantroopstryingtorescueher.FromKabul,NicholasWitchellhasthisreport.For48hoursovertheweekend,officialsherehadspokenaboutanexplosioninitiatedbyoneoftheextremists,possiblyfromasuicidebombvest.QuitewhyittooktheAmerica

3、nssolongtoverifytheaccuracyofthepicturetheyweregivingisn'tclear,butthismorningtheysuddenlydisclosedthatsurveillancefootagetogetherwithdiscussionswithmembersoftheteammeantthattheycouldnotnowconclusivelydeterminethecauseofMsNorgrove'sdeath.Therewillnowbeajointinvestigationb

4、ytheAmericanandBritishmilitary,whichislikelytotakeseveraldays.InChile,thefirsttesthasbeencarriedoutofthenarrowsteelcapsulethatwillbeusedtotrytorescue33minerswhohavebeentrappedundergroundforthepasttwomonths.CarolineHawleyisatthemineinSanJose.Preparationsarenowmovingaheadsw

5、iftlyfortheoperationtowinchtheminersoutofwhattheydescribedastheirundergroundhell.Notonlyistheescapeshaftready,butthespecialcapsulethatwassentdowntorescuethemenhasbeentestedtoadepthof610metres,andtheMiningMinisterLaurenceGolbornesaysallwentwell.Theminerswillbetakenoffsolid

6、foodreadyfortheirascentandgivenonlyspecially-enricheddrinks.ThisextraordinaryrescuemissionisnowduetobeginbyearlyWednesdaymorning.PalestinianofficialshaverejectedanofferbytheIsraeliPrimeMinisterBenjaminNetanyahutohaltJewishsettlementactivityifthePalestiniansweretorecognise

7、IsraelasaJewishstate.APalestinianofficialsaidtheofferwasbesidethepoint.WyreDaviesreportsfromJerusalem.ThePalestinianresponsewasswiftandunequivocal,dismissingMrNetanyahu'ssuggestionoutofhand.AseniornegotiatorsaidthePalestinianshadlongagorecognisedthestateofIsrael,andtherea

8、lissuethreateningthetalkswasillegalJewishsettlementsonPalestinianland.ThedemandthatIsraelshouldb