用括号内所给动词的适当形式填空
Tom,____(not stay) out too late.
____ _______ your uncle ______ (clean) his car every week?
Tom with his brother____ (chat) with each other on the Internet now.
I usually spend thirty minutes____ (read) English in the morning.
Is it important for us____(drink) lots of water every day.
There____(not be) any calories in water. So you can drink it without getting fat.
People all like the game ____  (call)‘trick or treat’in the USA.
Players need lots of energy ____  (run) every day.oo
The boss often makes his workers ____  (work) for 12 hours.
Look! The boy____ (have) a comic book in his hand.

已知$\left\{\begin{array}{c}x=1\\ y=-1\end{array}\right.$是方程的一个解，那么m的值是（   ）

陕西省延安市黄龙山褐马鸡自然保护区地处陕北黄土高原东南部，位于黄龙、宜川两县交界的黄龙山林区，东西宽36.6公里，垂直分布范围在海拔845﹣1783米之间，总面积81753公里．主要保护对象是国家Ⅰ级重点保护动物褐马鸡及其栖息地、暖温带落叶阔叶林森林生态系统．

褐马鸡是我国特有的珍稀濒危野生动物，被誉为“世界珍禽”、“东方宝石”，已被列入世界《濒危野生动植物种国际贸易公约》．该保护区气候温和湿润，降雨量充沛，森林茂密，是黄土高原和黄河中游地区重要的水源涵养和水土保持林区．良好的区域生态环境，重要而显著的生态功能，是黄河中游地区的“生态绿洲”，具有重要的生态保护价值．区内有国家Ⅰ级重点保护动物5种，Ⅱ级重点保护动物14种；有国家重点野生保护植物9种，陕西重点野生保护植物3种．如此丰富的珍稀濒危野生动物、植物物种的天然集中分布区，在我国黄土高原上实属罕见．

据此完成下列各题．