“二战”后初期，西欧不得不依附于美国，主要原因是（  ）

用所给动词的适当形式填空，完成短文

 Children’s Safety

I ____(talk) to some students. I ____(ask) about safety rules when they ____(be) younger. Their rules were very good.

John ____(say), “I couldn’t play in the kitchen.” His mum and dad didn’t ____(like) that.

Jennifer ____(can) play the piano and she could also ____(play) games in the living room. When her mum and dad ____(not, be) home, she couldn’t cook.

Tom could play in the bedroom or the living room. He couldn’t ____(play) in the bathroom or the kitchen.

What ____(be) your safety rules when you were young? ____(talk) to younger students about these and ____(help) them.

如图是题为《阻击》的漫画，其背景是我国汽车消费税方案进行了调整。新的征收方案增至七档，其中排量小于1L的汽车税率可低至1%，消耗能源多、对环境污染严重的大排量汽车采取高税率。其中，排量在3L以上的轿车，将课以最高20%的税率。对此认识正确的是(　　)

①税收是国家财政收入的主要来源　

②该方案符合环境伦理的尊重自然的原则　

③征收消费税可以调节消费行为　

④该调整方案有利于统筹人与自然协调发展

设集合A={x|x²﹣3x+2=0}，B={x|x²+2（a﹣1）x+（a²﹣5）=0}

（1）若A∩B={2}，求实数a的值；

（2）若A∪B=A，求实数a的取值范围

民族精神始终是鼓舞中华民族迎难而上、团结互助、战胜强敌与困难的不竭力量之源。下列民族精神形成于新民主主义革命时期的是（   ）