题目

In 1982, Steven Callahan was crossing the Atlantic alone in his sailboat when it struck something and sank．He got into a life boat, but his supplies were   21 ．His chances of surviving were small．  22   when three fishermen found him 76 days later, he was alive —much   23   than he was when he started, but alive． His   24   of how he survived is fascinating．His cleverness —how he   25   to catch fish, how he evaporated（蒸发） sea water to   26   fresh water—is very interesting． But the thing that   27   my eye was how he managed to keep hi15．图一表示某绿色植物，图中的A、B、C表示发生在植物体内的某些生理过程；图二是该植物叶片的结构示意图，图三是某生态系统中碳循环和能量流动示意图，请据图分析回答下列问题（1）图一中的过程C进行时所需的水和无机盐是通过图二中的[③]叶脉中的导管运输的．（2）图一中的氧气、二氧化碳和水蒸气是通过图二中的结构[⑥]气孔 进出植物体的．（3）图三中的生理过程①相当于图一中的地过程[A]呼吸作用，该过程能将有机物分解成二氧化碳和水，并放出能量．（4）在图三中，生产者是甲．