有如下程序： #include＜iostream＞ using namespac

根据短文内容回答问题

Mr. Ge lives in a small village（村子）named Shanqingge, but he works in a big city（城市）. He goes to work by train every morning and comes home in the same way.

This morning he reads his newspaper on the train, a man behind（在……后面）him says “Hello” to him and begins to talk to him, “Your life is boring, isn’t it? You take the same train every morning. You always take the same seat and read the same newspaper.” “How do you know all that about me?” Mr. Ge says angrily（生气地）.

“Because I always take the same seat behind you,” the man says.

小题1:Where does Mr. Ge live?

小题2:How does Mr. Ge go to work every day?

小题3:What does Mr. Ge often do on the train?

小题4:Does the man often take the same train to work?

小题5:把画线的句子翻译成汉语。

生态农业涉及农家废料的综合利用，某种肥料经发酵得到一种含甲烷的混合气体。该气体中的甲烷（CH₄）可用来还原CuO 粉末得到金属铜，化学反应的方程式为：CH₄+4CuO ＝CO₂+2______+4Cu

（1 ）上述化学反应方程式中“   _____”内对应产物的化学式为            。    

（2 ）铜元素在化学反应前后化合价变化情况是：从       价变到        价。  

（3 ）甲烷中碳元素的质量分数为          （填计算结果）。

我国目前推荐临床测定血糖方法是（）

A.己糖激酶法

B.GOD-POD法

C.班氏法邻甲苯胺法

D.葡萄糖脱氢酶法

E.班氏法

从中药中提取对热不稳定的成分宜用（）

A.回流法

B.渗漉法

C.水蒸气蒸馏法

D.煎煮法

E.浸渍法

淬火钢回火后的硬度主要取决于（）。

A、回火加热温度

B、回火时间

C、回火后的冷却