根据句意及汉语或首字母提示完成单词

first of all, from now on, hundreds of,

be careful with, at the moment

⑥This kind old man is not rich but he helps ____ poor children.

⑦ You must study hard ____ and be a good boy.

⑧ ____, let me introduce myself to you.

⑨ ____ that glass. Don't break it.

⑩ The children are playing football on the playground ____.

分布在第三级阶梯上的主要地形类型是 

阅读下面的诗歌，回答问题。

                                                                                                          江城子·密州出猎

                                                                                                                 苏轼
                                                老夫聊发少年狂，左牵黄，右擎苍，锦帽貂裘，千骑卷平冈。为报倾城随太守，亲射虎，看孙郎。 
                                                酒酣胸胆尚开张，鬓微霜，又何妨！持节云中，何日遣冯唐？会挽雕弓如满月，西北望，射天狼。