For this part, you are allowed 30 minutes to write a poster recruiting volunteers. You should write at least 120 words following the outline given below:
1. 校学生会将组织一次暑假志愿者活动,现招募志愿者;
2. 本次志愿者活动的目的、活动安排等;
3. 报名条件及联系方式。
Alaska is a natural wonder, about thousand square kilometers are covered by glaciers, which are huge, slow-moving ______.
在图12-9所示的密钥交换设置对话框中,选中“主密钥完全向前保密(PFS)(P)”复选框,则“身份验证和生成新密钥间隔”默认值为480分钟和(10)个会话。