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．

请将下列国别与其对应的政体、法律连线。

英国        《1787年宪法》           君主立宪制

德国        《权利法案》              议会制共和国

美国        《1875年宪法》           半专制的君主立宪制

法国        《德意志帝国宪法》        联邦制的总统制共和国

如图，把一根导线放在小磁针上方，比较甲乙两图可以得到的结论是：____；比较甲丙两图可以得到的结论是：____。          

冬天也应该洗澡，但不能太勤。（   ）

已知中心在原点的椭圆与双曲线有公共焦点，左、右焦点分别为$F_1$、$F_2$，且两条曲线在第一象限的交点为P，$△P{F}_1{F}_2$是以$P{F}_1$为底边的等腰三角形，若$\left|P{F}_1\right|=10$，椭圆与双曲线的离心率分别为$e_1$，$e_2$，则$e_1{e}_2+1$的取值范围是（   ）