A：当野外遇到龙卷风，应就近寻找低洼地伏于地面，且远离大树，以免砸伤
B：当地震发生时，应该立刻从楼梯跑到楼下躲避
C：在山区遭遇泥石流时，应沿着泥石流流动方向向下坡跑
D：遭遇洪水袭击来不及撤离时，应在身上捆绑重物，防止被洪水冲跑
阅读下面这首宋诗，回答问题。
豁然阁
程俱
云霞堕西山，飞帆拂天镜。
谁开一窗明，纳此千顷静。
寒蟾发淡白，一雨破孤迥①。
时邀竹林交，或尽剡溪兴②。
扁舟还北城，隐隐闻钟磬。
注：①孤迥，借代月亮。②剡溪，晋王子猷(徽之)性情率性潇洒，全凭兴趣雪夜访戴，使此溪声名益显。
Mike is a middle school student. He goes to school from Monday to Friday. His home is about 5 miles from school. He usually walks to school. It takes him 30 minutes to walk there. Nancy's home is a little farther. It's 20 miles from school. So she often takes the school bus. It takes her 15 minutes to get to school. Bob lives outside the city. It's a town 30 miles away from his school. He takes the subway. It takes him 8 minutes to get to school by subway. He can have breakfast at home and then leave for the subway station. He studies very hard.
