SPF动物可获得的途径是（） A: GFGN→SPF B: GN→GF→SPF C: GN→CL→SPF D: GF→CV→SPF

Which of the following terms is EXCLUDED from the scientists’ Demographic Research() A: Statistics of births. B: Statistics of deaths. C: Statistics of breast feeding. D: Statistics of diseases.

Each of the following is mentioned in your textbook as a tip for using statistics EXCEPT__________. A: . use statistics sparingly B: . avoid using statistics found on the Internet C: . round off complicated statistics D: . identify the source of your statistics

在下列关于statistics的叙述中，不正确的是（）。 A: “statistics”可以表示统计学 B: “statistics”可以表示统计数据 C: “statistics”可以表示统计资料 D: “statistics”可以表示统计检验

防晒化妆品通常按SPF值进行分级。对SPF值表述错误的是（）。 A: SPF值又称防晒指数 B: SPF值表示化妆品对UVB防护能力的大小 C: SPF值越大防晒效果越好 D: SPF值表示化妆品对UVA防护能力的大小

SPF动物

SPF是什么？

SPF指数

While using statistics as supporting materials, you should identify the _____________ of your statistics and make sure they are from reliable sources.

中国大学MOOC: When citing statistics in our writing, we’d better make the statistics exact and precise.