根据《合同法》的规定,自债务人的行为发生之日起( )年内没有行使撤销权的,该撤销权

题型:单项选择题

问题:

根据《合同法》的规定,自债务人的行为发生之日起( )年内没有行使撤销权的,该撤销权消灭。

A.1
B.2
C.3
D.5

考点:一级建造师建设工程法规及相关知识建设工程法规及相关知识
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按照研究的目的,有计划、有系统地直接了解学生的行为表现,对所了解的事实加以记录和客观的解释,以了解学生心理和行为特征的方法称之为( )

A.观察法

B.心理测验法

C.谈话法

D.自述法

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电动自行车越来越受到人们的青睐,不少人用电动自行车替代了摩托车.电动自行车使用前要先对车上的蓄电池充电,骑行时,蓄电池对车上的电动车供电,电动机为车提供动力.下表是某品牌电动自行车的一些主要技术参数:

最高车速≤30km/h一次充电连续行驶里程50km
蓄电池工作电压36V充电时间8h
一次充电耗电量0.6kW•h电动机效率75%
质量40kg最大骑行噪声≤62dB
若质量是60kg的人骑电动自行车在水平路面上以6m/s的速度匀速行驶时,受到的阻力是人与车总重的0.02倍,取g=10N/kg,求:

(1)行驶10分钟,电动机对自行车做的功.

(2)通过电动机线圈的电流.

(3)若摩托车百公里耗油2.5L,每升油4.65元,照明用电每度0.52元,试比较说明使用电动自行车与摩托车哪种更经济.

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The sun is shining when I get on No. 151 bus. We passengers sit jammed together in heavy clothes. No one speaks. That’s one of the unwritten rules of Chicago commuting. Although we see the same faces every day, we prefer to hide behind our newspapers. The phenomenon is striking: people who sit so close together are using those thin sheets of newsprint to keep their distance.

As the bus approaches the Magnificent Mile, a voice suddenly rings out: “Attention! Attention!” Papers rattle (发出细小声). Necks crane (伸长). “This is your driver speaking.”

We look at the back of the driver’s head. His voice has authority.

“All of you put your papers down.”

The papers come down, an inch at a time. The driver waits. The papers are folded and placed on our laps.

“Now, turn and face the person next to you. Go ahead.”

Amazingly, we all do it. Still, no one smiles.

I face an older woman, her head wrapped tightly in a red scarf. I see her nearly every day. Our eyes meet. We wait, unblinking, for the next order from the driver.

“Now, repeat after me…” It is a command, delivered in the tones of a drill sergeant (操练军士). “Good morning, neighbor!”

Our voices are weak and timid. For many of us, these are the first words we have spoken today. But we say them at the same time, like schoolchildren, to the strangers beside us.

We smile and can’t help it. We have said it; the barrier has been broken. Good morning, neighbor. It is not so hard after all. Some of us repeat it. Others shake hands. Many laugh.

The bus driver says nothing more. He doesn’t need to. Not a single newspaper goes back up. I hear laughter, a warm sound I have never heard before on bus No. 151. This day is starting off better than most.

小题1:On hearing the sudden utterance of “Attention!”, the passengers ___________.

A.stopped reading and put down their newspapers immediately

B.sat still without response

C.looked up from the newspapers to see who was speaking

D.were frightened小题2:The underlined word “commuting” in Paragraph 1 most probably means ___________.

A.long-distance ride

B.daily traveling between home and work

C.communication technology

D.behavior patterns小题3:Which of the following is true according to the passage?

A.The passengers on the crowded bus were so absorbed in reading their newspapers that no one spoke.

B.When the bus driver said nothing more, the passengers picked up and read their newspapers again.

C.The passengers didn’t follow the driver’s instruction at first.

D.The passengers were physically close together but mentally they kept each other at a terrible distance.小题4:What would be the best title for the text?

A.The Warmth of Communication

B.The Exchange of Information

C.The Power of Observation

D.The Attitude to Loneliness

题型:单项选择题

各单位要按照相关标准要求,在有限空间入口处或醒目处设置相应(),并加强日常维护和管理,保持其清晰、完好。

题型:单项选择题

关节脱位的处理原则是( )、( )和功能锻炼。

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