题目

短文填空阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。Betty started to learn English at the【1】of six. She went to an after-school English class every week. But Betty thought it was【2】(bored) to go to her English classes. She didn’t think【3】was important to learn English and she did not need to speak English in her everyday life.After she【4】a school baseball team , she started to know more about the baseball players who joined teams in the USA. Now, she wa在1，7，10，19，24，30，37，75，81，138这组数中，质数： 合数： 奇数： 偶数： 2、5的倍数： 2、3的倍数： 3、5的倍数： 有因数2、3、5的数： ．