题目

图为物质跨膜运输方式模式图，有关叙述正确的是（    ） A . 胰岛B细胞分泌胰岛素可以通过该方式进行 B . 图示的物质运输过程与细胞膜的流动性无关 C . 图中所示的物质跨膜运输方式为协助扩散 D . 膜上蛋白质分子都可以参与物质的跨膜运输 答案：C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。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号(∧)，并在该词下面写出该加的词。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。A recent survey shows that many students have got into some bad living habit，which do great harm to their health．As we all know it, health is more important than wealth．Without a healthy body，you cannot do everything even if you are a millionaire．In order keep healthy，it’s necessary to get rid of unhealthy habits and form good ones．First of all，eat a healthy breakfast is a great way to start the day．You should eat more fruit and vegetables，which are rich of vitamins．Secondly，getting enough sleep．Early to bed and early to rise make you feel great all day long．Lastly，take exercise every day to make your body strong．As long as you form health habits and keep them，you’ll have a strong body and live the healthy life．