Betty started to learn English at the____of six. She went to an after-school English class every week. But Betty thought it was____(bored) to go to her English classes. She didn't think____was important to learn English and she did not need to speak English in her everyday life.

    After she____a school baseball team , she started to know more about the baseball players who joined teams in the USA. Now, she wants to know more about what happens to them. So she reads English newspaper____the Internet. When she meets new words, she looks____up in her dictionary and writes difficult sentences in her notebooks. When she goes to school, she asks her English teacher for____. Little by little, she finds that English is really important, and she is more and more____(interesting) in it.

    Her parents promise to take her to New York to watch a baseball game if she gets good mark in the English exam next month.____exciting it is! Betty is so happy that she works____(hard) on English than before.

《三字经》道“周武王，始诛纣，八百载，最长久”周朝“最长久”的制度保障是（  ）
①分封制     ②宗法制     ③礼乐制度    ④君主专制中央集权制度

在一个生态系统中，能利用阳光制造营养的被称为____。不能自己制造食物，以植物为食的动物被称为____。能分解动物的排泄物、尸体或腐烂物的细菌等微生物，被称为____。