题目

Tensions have erupted over some barren rocks in the Pacific that you may never have heard of, but stay tuned—this is a boundary dispute that could get ugly and some day have far-reaching consequences for China, Japan, Taiwan and the United States． The islands in dispute are called the Senkaku chain by Japan, the Diaoyu islands by China, and the Diaoyutai by Taiwan．All three claim the islands, which are really just five small islands and three barren rocks northeast of Taiwan, 200 miles off the Chinese coast． The latest conflict occurred when a Chinese fishing boat collided with 在下面一段文字横线处补写恰当的语句，使整段文字语意完整连贯，内容贴切，逻辑严密。每处不超过12个字。水是植物主要的组成成分，植物体的含水量一般为60%～80%，有的甚至可达90%以上。①，土壤中的矿物质、氧、二氧化碳等都必须先溶于水后，②。水还能维持细胞和组织的紧张度，以利于各种代谢的正常进行。水是光合作用制造有机物的原料，它还作为反应物参与植物体内很多生物化学过程。因此：③。