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共找到 211 与．In 相关的结果，耗时27 ms
张清莲是我国著名的化学家．1991年，他准确测得In的原子量为114.818，被国际原子量委员会采用为新的标准值．这是原子量表中的首次采用我国测定的原子量值．已知In的原子结构如图所
化学
元素 C．In易导电导
Anoldmanlivedwithhisson，daughter-in-law（儿媳），andafour-year-oldgrandson．Hewasold，sohishandstrembled（颤抖）badly．Heoftendroppedthefoodontoth
英语
ped the food o
Manysaytheirmostpainfulmomentsaresayinggoodbyetothosetheylove．AfterwatchingCheryl，mydaughter-in-law（儿媳），throughthesixlongmonthshermoth
英语
long months h
Locatedtheeasterncoastofthesea,thevillageisfairlynewonlyasmallpopulationoflessthan3,000.A．on,withB．off,withC．in,ofD．on,in
英语
with B．off, w
FascinatingVeniceLocatedinthenortheastofItaly，Veniceiswell-knownforitsculturaltreasures，romanticatmosphereandunusualliving-on-waterexp
英语
ing-on-water e
Ithasbeenmorethantwothousandyearswebegantouseanumbrellaonrainydays．However，peopleoftenfeltitnotconvenienttoholdanumbrellawhileworking．
英语
an umbrella wh
Aweakoldmanlivedwithhisson，hisdaughter-in-law，andhisfour-year-oldgrandson．Hiseyescouldn'tseeclearly，hishandstrembled，andhisstepwasunst
英语
nd his step wa
Ifyouareweakasubject,yourteacherforadvicecanhelp.A．to,askingB．in,askC．to,toaskD．in,asking
英语
Aweakoldmanwenttolivewithhisson，daughter-in-law，andfour-year-oldgrandson．Theoldman'shandswere（36），hiseyesightwasnotclear，andhisstepwas
英语
t clear，and hi
-IamalittleweakMaths．Ifellothersinthistest．-Don'tworry．I'llhelpyou．（）A.at；afterB.in；withC.in；behindD.with；behind
英语
dD. with； beh
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