.If we humans beings continue to waste and destroy natural resources without using _____ energy, such as the energy from the sun, wind and water, our earth will be done for.

A．alternative

B．solar

C．conventional

D．recycled

乐当家理财卡各种签约功能的开通和关闭均需持卡人本人凭（）到发卡分行营业网点或其他指定渠道申请办理。

A.乐当家理财卡

B.关联卡片

C.密码

D.有效身份证件