在等比数列$\left\{a_n\right\}$中，$a_1=1,\left|q\right|\ne 1$.若$a_m=a_1{a}_2{a}_3{a}_4{a}_5$，则m=(        )

表为甲班55人某次数学小考成绩的统计结果，关于甲班男、女生此次小考成绩的统计量，下列叙述何者正确？（　　）

阅读下面诗，完成小题。
                                                                                                                                     饮湖上初晴后雨
                                                                                                                                             苏轼
                                                                                                                   水光潋滟晴方好，山色空蒙雨亦奇。
                                                                                                                   欲把西湖比西子，淡妆浓抹总相宜。