下列选项中属于正确的学习方法所具有的特点的是() ["目的性","科学性","程序性","功效性"]
下图是我国东南部某城市森林公园的等高线地形图某校初中学生利用周末时间在图示地区进行了野外考察活动。
一场大雨过后,区内A、B、C、D不同河流段,上涨得最高的是() ["A","B","C","D"]
A light,feathery deposit of ice caused by the sublimation of water vapor directly into the crystalline form,on objects whose temperatures are below freezing,is called(). ["dew","frost","glaze","snow"]
Windows中,可以在“任务栏”内进行桌面图标的排列。
客服员在受理户内燃气设施漏气报修业务时,应提醒用户做到()。 ["及时撤离","用明火检测","关闭阀门","开窗通风"]
说明室内堆藏用于什么种子,怎样做?