下列诗句中，描写气候的是（   ）

细胞呼吸分有氧呼吸和无氧呼吸，两者进行的场所、过程等均存在差异．如图表示细胞部分结构和功能，据图回答：

（1）图中A物质是____ ，B物质在该过程的产生部位是____ ．

（2）在有氧呼吸过程中，产生C在第____ 阶段．产生能量最多是在第____ 阶段．

（3）如果有氧呼吸和无氧呼吸产生等量的CO₂，消耗的葡萄糖之比是____ ．

（4）图中能体现的无氧呼吸方程式应该是：____ ．

（5）图中未能体现的无氧呼吸方程式应该是：____ 

（6）图中产生B物质的呼吸作用方程式为：____ ．

    Mary loved small animals. One morning while she was walking in the forest, she found 1weak birds in the grass. She took them home and put them in a small cage. She cared them with love and the birds both grew2. They thanked her3a wonderful song every morning.

    But something happened one day. Mary left the door of the 4open. The larger bird flew from the cage. She thought that it would 5. As it flew close, she grasped (紧抓) it. She was very 6to catch it.7she felt strange. She opened her hand and looked sadly at the 8bird. Her great love had killed the bird!

    The other bird was moving back and forth (来回) in the cage. Mary could 9its great need for freedom (自由). It wanted to fly into the clear and blue10. At once, Mary took the bird 11the cage and let it fly away. The bird circled once, twice, three times…

    Mary enjoyed watching the bird flying and singing 12 Suddenly the bird flew13and landed softly on her head. It sang the 14song that she had ever heard.

    The easiest way to lose love is to hold it too tight. The best way to keep love is to 15it wings (翅膀).

世界最大的新技术、新产品开发中心—“硅谷”位于（　　）