“不登高山，不知天之高也；不临深渊，不知地之厚也。”这句话说_爱下问搜题

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问题选择题

“不登高山，不知天之高也；不临深渊，不知地之厚也。”这句话说明了（　　）

A．人的一切知识都是从实践中获得的

B．人的意识具有创造性

C．认识有时是独立于实践之外的

D．实践在认识形成过程中具有重要作用

答案

答案：D

本题引用一段名人名言，说明实践是认识的来源。实践是认识的唯一来源，但人们获得认识的途径有两条：一条是实践，一条是通过读书等途径获得间接经验。所以A项错误。在实践与认识的辩证关系中，实践决定认识，实践是认识的来源、目的、发展的动力和检验的标准，所以C项错误。B项不符合题意，排除。所以本题的正确答案应为D项。

完形填空

完形填空（共20小题，每小题1分，满分20分）
I was on a bus one March evening. The driver didn’t   1  to start the bus soon because it was not yet   2 . A middle-aged woman got on. Tired and sad, she told her story    3 , not to anyone in particular. On her way to the station, half of her   4  was stolen. The other half was hidden under her blouse, so she   5  still had some left. A few minutes later, she stopped crying, but still looked   6  .
When all the seats were taken, the driver started the engine. The conductor began to collect fares. When she came to an old man in worn-out clothes, he   7  that he had spent all his money when he had accidentally got on a wrong bus and now he was trying to go home. On hearing this, she ordered the old man to   8 the bus. The old man was almost in tears as he   9 her to let him take the bus home. The driver took the conductor’s side and repeated the conductor’s   10 .
The woman was watching the incident. 11 the driver and the conductor raised their voices at the old man, she interfered (干预).
“Stop   12  him! Can’t you see he’s only trying to get home?”
“He doesn’t have any money!” the driver   13  .
“Well, that’s no   14  to throw him off the bus,” she insisted.
Then she reached inside her blouse, took out her   15  money, and handed it to the conductor. “Here’s his fare and mine. Just stop giving him a   16  time.”
All heads turned to the woman. “It’s only money,” she shrugged（耸肩）. She rode the rest of the way home   17  a happy smile, with the money she’d lost earlier   18  .
On the road of life, the help of strangers can   19  our loads and lift our spirits. How much sweeter the   20  will be when we make it a little smoother for others!

A．unsatisfied

C．complaining

单项选择题

下列低压配电及防护系统中，( )被称为是最“干净”的系统，在有爆炸危险、火灾危险性大及其他安全要求高的场所均应采用。

A．TN-C-S系统
B．TN-S系统
C．TT系统
D．TN-C系统