问题补充:
单选题Weshoulddowhatwecantosavethose_________species,forexample,thetiger,ananimalwhichwasconsidered_______tohumans.A.dangerous; endangeredB.dangerous; in dangerC.endangered; in dangerD.endangered; dangerous
答案:
D解析这题考察词义辨析:dangerous;危险的, endangered濒危的,第一空填endangered 指濒危物种,第二空填dangerous; 表示“对人有危险”。选D。