关于 X 线量的叙述，正确的是
A、是指X线光子的穿透能力C
暂无解析
As____clearfromhismanners,heisateacher.
EinsteinwontheNobelPrizein1921andenjoyedgreatfameinGermanyuntiltheriseofNazism____hewasexpelledfromGermanybecausehewasaJew.
Shewasonceayoungcountrywifewithchickensinthebackyardandaviewof_______mountainsbehindtheappleorchard.
Thecaris_____expensive_____hecan’tbuyit.
Theteachers’union_________alawsuitagainstthedistrictcallingforrepairing“deplorable”schoolconditions.
