英汉互译

ring____      trunk____     think____

young____      bank____     drink____

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及二个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1）每处错误及其修改均仅限一词；
      2）只允许修改10处，多者（从第11处起）不计分。
    I will share with you true story that happened a couple of day ago. One of my classmates bought a bag of snacks from a food store. A few classmates were then inviting to enjoy the snacks. Unluckily, all of us got poisoned and had stomachaches with their faces pale. They were quickly sent to a nearby hospital. Doctors examined them but gave them some medicine. They were out of danger soon before taking the medicine. This accident makes us to realize the seriousness of the food safe problem. Therefore, I strong suggest that the whole society pays more attention to it.

图中电压表测量的是（     ）

如图甲所示，完全相同的A、B两物块叠放在水平桌面上，用F₁=30N的水平力作用在B物块上，AB一起做匀速直线运动，此时B物块所受的摩擦力为____N；若将F₂=50N的水平力按如图乙所示作用在A物块上，它们仍一起做直线运动，则地面对A物块的摩擦力为____N．

下列不等式中，是一元一次不等式的是（　　）