先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    Today is Sunday．It's1and warm．My parents，my2and I are all at home.My parents don't have to go to3,and my sister and I don't have to go school.We are all in the yard(院子).Look!My father is4his bike．Hd often goes to work by bike．The bike5takes him about ten minutes．My mother is watering the flowers．The flowers make our yard very6．We all like the flowers．My sister is playing with a dog．It's7pet dog．The dog is very smart．My mother often takes the dog out8a walk after dinner．What am I doing?I'm drawing．I like drawing very much．I want to join the9club at school．

    It's a nice day and we're10in the yard．How happy we are today!

用所给单词的适当形式填空

填空题
(1)目前我国境内最早的人类是____ ；我国历史上建立的第一个国家是____ 。
(2)半坡居民最早种植____ ；河姆渡居民最早种植____ 。
(3)商朝的都城在今天的____ 省境内；西周的都城在今天的____ 省境内。
(4)公元前____ 年——前476年，是我国历史上的春秋时期；公元前475年前——____ 年，是我国历史上的战国时期。
(5)____ 辅助齐桓公取得了霸主地位；____ 修筑了著名水利工程都江堰。