分接后的某一次群判定第161位有Vi插入时，三位插入标志码应为（） ["100","000","001","111或110"]
班级团体发展阶段论有哪些？
社会角色
关于DS18B20以下叙述正确的是（） ["是美国DALLAS公司推出的单线数字温度传感器","温度值是通过输出端直接输入到CPU，无需A\/D转换","具有温度测量精确，不受外界干扰的优点","可以通过数据线提供能量"]
Refer to the exhibit. Which statement is true about where trust boundaries should be established in a network？（） [" Endpoint 1 is the only acceptable place to establish a trust boundary."," Endpoint 1 is the optimal place to establish a trust boundary. Endpoints 2 and 3 are acceptable places to establish a trust boundary."," Endpoint 2 is the only acceptable place to establish a trust boundary."," Endpoint 2 is the optimal place to establish a trust boundary. Endpoints 1 and 3 are acceptable places to establish a trust boundary."," Endpoints 1 and 2 are optimal places to establish a trust boundary. Endpoint 3 is an acceptable place to establish a trust boundary."," Endpoints 2 and 3 are optimal places to establish a trust boundary. Endpoint 1 is an acceptable place to establish a trust boundary."]
生物降解
