阅读理解。
When Martin was a little boy, he lived in the little town-Holtham. At that time he thought the town
was very big.
Well, Martin came back to the town last night. "It's a small town," he thought. The town has
changed very little in the past forty years, but Martin has changed a great deal. He has grown into a
man. His thoughts are a man's. He sees things through a man's eyes.
Martin stayed in the town for five hours. He walked from street to street, but he knew nobody.
Was Holtham, then a town of strangers? No, he suddenly understood it all. Only he was a stranger in
the town.
1. Martin left the town .
A. when he was forty
B. forty years ago
C. when he was fourteen
D. five hours ago
2. In the past years, Martin has changed
A. his face
B. his clothes
C. a little
D. a lot
3. Martin thought the town was a small town because ,
A. he saw things through a stranger's eyes
B. he had been away from the town for too long
C. he saw things through a man's eyes now
D. he didn't like the town any longer
4. Martin during his five-hour stay in the own.
A. met no friends
B. didn't want to see his friends
C. saw nobody
D. saw a lot of friends
5. Which of the following is TRUE?
A. Martin was not a stranger in the town.
B. Holtham was a town of strangers to Martin.
C. Great changes have taken place in the town.
D. A man's thoughts are better than a child's thoughts.
cC（g）（
H＜0）在等容条件下进行。改变其他反应条件，在I、II、III阶段体系中各物质浓度随时间变化的曲线如下图所示：
（A）、
（A）、
（A）从大到小排列次序为 ；
中最小的是 ，其值是 ；
）和第III阶段反应速度（
）的高低：
