重写句子：Fossilfuelsarenon-renewable.Weneedtofindalternativeenergysources.(compoundsentence)
A、10~11岁
B、11~12岁
C、13~14岁
D、14~15岁
Thesadconditionofwomenworkingashouseservantsaroundtheworldreceivedmuchmedia_____earlythisyear.
A、importance
B、attention
C、significance
D、popularity
A、多饮水，常变换体位
B、控制感染
C、使用镇咳剂
D、喘憋严重者可用氨茶碱
Theprofessoraskedaquestion,andDavid________agoodanswer.
A、putupwith
B、stoodupfor
C、cameupwith
D、lookeddownupon