空气清新剂能把香味散发到教室内的各个地方，这是____现象；这一现象说明：____．

山药是缠绕性藤本植物，其地下根茎可食、可入药，幼苗期不耐寒，性喜光，宜在排水良好处种植。左下图示意华北某山药种植基地的地形，右下图示意该地采用攀爬网种植山药。读图，完成下列问题。

任务型阅读 
    My friend, Tom lives a happy life.（1）He usually gets up at 6:00 . Then he goes for a walk. At 7:00 he comes back. He brushes his teeth and takes a shower. （2） Then he eats breakfast. After breakfast, he goes shopping（购物）with his friends. （3）他大约十点半到家。And he cooks lunch. After lunch, he goes to the club. He reads books and plays chess. He eats dinner at home at 6:00 pm. （4）           the evening he likes watching TV. At around 9:00 pm he goes to bed.
根据短文内容，完成下列任务

不等式5x-9≤3(x+1)的解集是____.

将下列句子改为陈述句。

①这不恰好表明有数不尽的骆驼吗？

②马跑得越快，离楚国不就越远了吗？