入境展览品中的旧机电产品必须按旧机电产品备案手续办理相关证明。（）
参考答案：对
So loudly _____ that ____ hear her clearly.
A．did she speak; could everyone
B．did she speak; everyone could
C．she spoke; could everyone
D．she spoke; everyone could
包装识别图案的标志上注明“R”，表示该产品（）。
A.绿色食品
B.有机食品
C.已注册登记
D.未注册登记
