1R的照射量对应空气的吸收剂量是
A、87×10-1GyC
暂无解析
By"languageacquisitionisprimarilytheacquistionofthegrammaticalsystemoflanguage",linguistsmeanthat______.
is,are,was,were,willbe,aregoingtobe,have,has,hadThebeautiful________somethingthattheinnocent________notalwaysabletoappreciatefully.
“MylastDuchess”isapoemthatbestexemplifiesRobertBrowning’s().
Aliensareborrowedwordswhichhaveretainedtheiroriginalpronunciationandspelling.WhichofthefollowingwordscomesfromChinese?
Cicerosaid,“Indoingso,Ididnotthinkitnecessary()