某包装食品净含量为500g，其中钙的含量为0.15%，脂肪含量为30%，

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问题单项选择题

某包装食品净含量为500g，其中钙的含量为0.15%，脂肪含量为30%，碳水化合物含量为60%，若钙的NRV值为800mg，则以下说法正确的是（）。

A.此包食品可提供钙150mg

B.此包装食品钙的%NRV为94%

C.此包装食品钙的%NRV为19%

D.该食品碳水化合物供能＞脂肪供能

答案

参考答案：C

补全对话，情景问答

根据提示完成对话，注意添加适当助词。

Tony: Hi, Dad!

Dad: Hi, Tony. What (1)_________ (you／do)?

Tony: We (2)_________ (visit) the Forbidden City. Lingling and Betty (3)_________ (write) postcards.

Dad: What (4)_________ (Damming／do)?

Tony: He (5)_________ (take) photos. There are lots of people here. They (6)_________ (enjoy) the sun.

Some (7)_________ (look) at the buildings and some (8)_________ (listen) to the guide.

Dad: (9)_________ (you／have) a good time?

Tony: Yes, we (10)_________ (have) a great time, Dad! See you later.

单项选择题

______能够显示路由器配置了哪种路由协议。

A．R1 (confi #showi ip route

B．R1＞show ip protocol

C．router

D．R1(config-i # show ip protocol