问题 填空题

流式细胞仪检测细胞的大小的信号是()

答案

参考答案:前向角散射

材料分析题

北方某县属于贫困县,常年受到旱灾的影响,农业生产发展缓慢,农民生活难以获得温饱,但该县大搞“形象工程”,县城大街两旁栽满了几百元一株的棕树、四季桂、云杉等南方花木;一些农户上山栽培食用菌,但县里以搞“七乡八镇百里菌长廊”为由,强令他们搬到公路两边,导致食用菌生产大幅减产,百姓民怨沸腾。请回答:

(1)该县的做法为什么不妥?

                                                                                                                                                               

                                                                                                                                                               

(2)你认为该县应怎样实现脱贫解困?

                                                                                                                                                               

                                                                                                                                                               

单项选择题