如图△ABC是直角边等于4的等腰直角三角形，D是斜边BC的中点， $\overrightarrow{AM}$ = $\frac{1}{4}\overrightarrow{AB}$ +m• $\overrightarrow{AC}$ ，向量 $\overrightarrow{AM}$ 的终点M在△ACD的内部（不含边界），则实数m的取值范围是____．

根据短文理解，选择正确答案。

    Nowadays, camping has been popular among young people. It's a great way to be outside and enjoy the nature. Whether you prefer to be in the woods, mountains, or by the river, you are sure to have a wonderful experience when you go camping. Here are some suggestions for camping.

    Fire may be dangerous, so just use it only when you must. Make sure to put the fire out when you don't use it. Or it may cause a fire. When you are talking, keep your voice down. If you talk loudly, you may disturb (打扰) other people, and you will also miss the chance to see wild animals outside. It is necessary to put up your tent only in safe areas. If you put up your tent in other areas, you may get into trouble. Remember to do it for your safety. Don't forget to take your camera, or you will miss the wonderful natural wonders. Later, you'll understand how nice they are. Make sure your camera has enough power. People often get lost in the forest. It's a good way to take a map that helps you to get the right direction. Now, people usually take GPS with them. Maps and GPS can help you find the way easily.

选词填空。

excited, skill, may, they, without, but, include, part

    American teenagers(青少年)enjoy doing part-time jobs．They think it's an important____of growing up．They can learn some important____by doing part-time jobs and they can also make some money in this way．
    American teenagers usually begin to do part-time jobs at the age of 14．On weekdays，they____go to work a few hours a week after school．They usually work for longer at weekends．
    In summer,American teenagers are____if they find part—time jobs at camps or swimming pools．These jobs can bring____much fun．
    Some difficult jobs____teaching， nursing and police work．____these jobs can be helpful for their future．When they grow up，the students with work experience are more likely (可能的)to be successful than those____work experience．

世间万物各有时节，过早地成熟，会过早地凋谢。我们既然是在春天，就不要去做秋天的事。这启示我们（    ）

解决就业问题，需要多方努力，作为劳动者应该（  ）