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问题 选择题

在有关俄罗斯的叙述错误的是(    )

A．世界上面积最大的国家

B．地势东高西低，地形西部以平原为主，东部多高原、山地

C．石油资源丰富，其开采量居世界前列

D．摩尔曼斯克是太平洋沿岸的港口城市

答案

答案：D

题目分析：俄罗斯是世界上面积最大的国家，地势东高西低，地形以平原为主，资源丰富，石油的开采量居世界前列，摩尔曼斯克是北冰洋沿岸的港口城市。所以本题选择D选项。

点评：俄罗斯地跨亚欧两洲，其工业主要分布在欧洲部分，莫斯科和圣彼得堡为重要的工业中心；俄罗斯地形以平原为主，地势东高西低，南高北低，俄罗斯有四大地形区：东欧平原、西西伯利亚平原、中西伯利亚高原和东西伯利亚山地，其中位于欧洲部分的是东欧平原；俄罗斯经济结构不平衡，重工业发达，轻工业较落后。

单项选择题

What’s your earliest childhood memory Can you remember learning to walk Or talk The first time you heard thunder or watched a television program Adults seldom (1) events much earlier than the year or so before entering school, (2) children younger than three or four (3) retain any specific, personal experiences.

A variety of explanations have been (4) by psychologists for this "childhood amnesia". One argues that the hippo-campus; the region of the brain which is (5) for forming memories, does not mature until about the age of two. But the most popular theory (6) that, since adults don’t think like children, they cannot (7) childhood memories. Adults think in words, and their life memories are like stories or (8) one event follows (9) as in a novel or film. But when they search through their mental (10) for early childhood memories to add to this verbal life story, they don’t find any that fit the (11) . It’s like trying to find a Chinese word in an English dictionary.

Now psychologist Annette Simms of the New York State University offers a new (12) for childhood amnesia. She argues that there simply aren’t any early childhood memories to (13) . According to Dr. Simms, children need to learn to use someone else’s spoken description of their personal (14) in order to turn their own short-term, quickly forgotten (15) of them into long-term memories. In other (16) , children have to talk about their experiences and hear others talk about (17) --Mother talking about the afternoon (18) looking for seashells at the beach or Dad asking them about their day at Ocean Park. Without this (19) reinforcement, says Dr. Simms, children cannot form (20) memories of their personal experiences.

Notes: childhood amnesia 儿童失忆症。

14（）

A.instincts

B.feelings

C.sensations

D.experiences
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单项选择题

对于λ（）的压杆，通常称为大柔度杆。

A、≥λp

B、≥λ0

C、λ0～λp
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