完形填空

    Look at thephoto. It's my family. The old man and the old woman are my 1. This is my father. He is next to(挨着) his brother, my 2. This woman is my mother. She is my English teacher. You can 3 three children(孩子) in the photo. These two girls are my4. The girl in a red dress is Nancy5 the girl in a yellow dress is Susan. Do you know the boy? Yes, it's me.

    My grandparents are in the USA. I am in Beijing 6 my parents now. My father is 7  teacher. He works in Beijing No. 28 Middle School. He often has milk 8 breakfast. And he likes to eat 9. My mother often 10 some eggs and a glass of milk. I have a big family.

对在光照下进行稳定光合作用的绿色植物，如果突然中断CO₂气体的供应，短暂时间内叶绿体中C₃化合物与C₅化合物相对含量的变化是（   ）  

①保障国家经济安全，防范世界性金融风险

②转变经济发展方式，培育对外竞争新优势

③积极贡献中国智慧，推动世界市场体系建设

④加快走出去步伐，以合理方式规避世贸规则

这一队有多少个人？

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