[多选题]在侦查过程中，需要对犯罪嫌疑人林某进行辨认。下列说法错误的是（ ）。
A.对林某的辨认应当经办案部门负责人批准
B.辨认应当由侦查人员小刘主持，并邀请2名见证人参加
C.3名辨认人在辨认过程中可以互相讨论
D.对王某的照片进行辨认时，应当不少于10张照片

[单选题]集控系统基于基础平台，实现运行监视、操作与控制、运维管理、系统维护四类应用，根据业务流程及需求可进行场景化集成。（ ）区主要实现运维管理、在线智能巡视等应用功能。
A.Ⅰ
B.Ⅱ
C.Ⅲ
D.Ⅳ

[单项选择]Before the 1500’s, the western plains of North America were dominated by farmers. One group, the Mandans, (31) in the upper Missouri River country, primarily in present-day North Dakota. They had large villages of houses (32) close together.
The (33) arrangement enabled the Mandans to protect themselves more easily (34) the attacks of others who might seek to (35) some of the food these highly capable farmers stored from one year to the next.
The women had primary responsibility for the fields. They had to exercise (36) skill to produce the desired results, (37) their northern location meant fleeting growing seasons. Winter often lingered; autumn could (38) by severe frost. For good measure, during the spring and summer, drought, heat, hail, grasshoppers, and other (39) might await the wary grower.
Under (40) conditions, Mandan women had to grow maize capable of weathering (41) They began (42