山地迎风坡降水多，背风坡降水少。说明什么因素对降水的影响（   ）

有氧呼吸的三个阶段都产生的是（   ）

根据短文理解，选择正确答案。
    Bob works in an office. Every morning he has breakfast at seven thirty, reads his newspaper, drinks a cup of coffee and then goes to work. One morning, he is still at the table reading his newspaper at: 8 0'clock. He asks his wife for another cup of coffee. His wife asks him, “Aren't you going to the office today?” “The office?” He jumps up from his chair, "I think I am in the office."

巴斯德实验设计曲颈瓶的目的是（    ）

以粮食为原料经发酵提纯的谷氮酸钠结晶就是我们生活中用于炒菜的一种调味料一一味精。它能增加食品的鲜昧，引起人们的食欲，有助于提高人体对食物的消化率。但从健康的角度出发，但味精的摄入会抑制神经、妨碍骨骼发育，诱发商血压和糖尿病。味精能增加人类的食欲，但却会缩短人类的“保质期”。上述材料体现的哲学道理是

①我已经成功实现了对食品鲜昧的肯定及对人类“保质期”的否定（    ）

②事物价值的创造与实现，必须立足于人们的需要通过发挥主观能动性来实现

③联系具有多样性和条件性，要善于分析和把握事物存在与发展的各种条件

④矛盾双方共处于一个统一体中，相互依存与贯通，要用一分为二的观点看问题