下列措施或事故处理方法不正确的是( )
A:炒菜时油锅着火,立即盖上锅盖
B:油库着火用水扑灭
C:进入久未开启的菜窖前,用燃着的蜡烛做“灯火试验”
D:厨房煤气管道泄气,立即关闭阀门并开窗通风
根据汉语提示,完成句子 Good eating____(习惯) are very important. Healthy lifestyle helps me get good____ (成绩). He is____(躺)in bed to read a book.
I will____ (寄) Tom a postcard. If you are____(口渴的), you may have an apple.
如图,小明同学在东西方向的环海路A处,测得海中灯塔P在北偏东60°方向上,在A处正东500米的B处,测得海中灯塔P在北偏东30°方向上,求灯塔P到环海路的距离.
(1)图1所示弹簧测力示数为____ N.
(2)图2所示木块长度为____ cm.
(3)图3所示体温计的示数为____ ℃.