为了探究影响花生种子发芽的因素，某同学设计了如下实验：

该实验设计不恰当的是（    ）

学校生物兴趣小组调查某池塘生态系统的部分生物及其体内食物成分后，记录如图表，据表分析回答：

（1）该生态系统的生产者是____ ．

（2）写出其中的食物链：____ ．

（3）若该池塘受到了汞污染，则体内汞含量最高的生物是____ ．

（4）池塘中各种生物的数量和比例保持相对稳定，说明生态系统具有一定的____ 能力．

（5）该生态系统的生物成分还应包括细菌和真菌，它们属于____ ．

杜甫，字____，唐代伟大的____诗人。自称少陵野老，因曾在剑南节度使严武幕中任参谋，武表为检校员外郎，故世称____。

This is Jim’s room. It’s a nice room. Some pictures are on the wall (墙). There’s a desk and a chair in his room. There is a sofa and a bookcase, too. The desk is between (在……之间) the bed and the bookcase. His backpack and pencil case are on the desk. His pencils, pen and ruler are in the pencil case. His sofa is near the desk. His baseball is under the bed.