题目内容:
Howcanquantumdotsbeusedtoconfirmdiseases?
A.Bytraditionallylookingataperson’sbloodunderamicroscop B.Bylettingapersontakesomekindofmedicin
C.Bylightingupinthepresenceofatargetedmolecul
D.BysubjectingapersontoanX—rayexaminatio
参考答案:
答案解析: