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问题 单项选择题 A1型题

砷中毒的临床表现不包括（）。

A.骨质疏松，关节疼痛

B.四肢末梢感觉障碍

C.皮肤色素沉着

D.脚部干性坏疽

E.皮肤过度角化

答案

参考答案：A

单项选择题

阅读以下文字，完成以下问题。
西部地区旅游资源十分丰富。大漠孤烟、长城峰燧、丝绸古道、帝王陵寝、江河源头、葡萄美酒、古寺梵音、戈壁驼铃、敦煌艺术、雪域风情、峨眉风光、丽江古城、三峡风光……无不引人入胜。就资源而论，文物古迹是旅游业发展的重要资源，文物保护与旅游发展两者关系处理得当，就可以相互促进，相得益彰。如果处理不好，破坏了文物，也破坏了旅游资源，就会两败俱伤。因此，在旅游业的高速发展中，保护文物，刻不容缓。
首先，旅游业是经济产业，而旅游本身却是一种文化活动。因此，我们不仅要经济效益，而且要注意社会效益，而社会效益有时比经济效益更重要。其次，文物单位搞旅游，一定要适度，不可越出自己的容量。丽江去年接待了280万游客，这个数字太惊人了。联合国教科文组织专家说：“当游客的人数超过了一处古迹的承受能力时，就难以使文物保护工作达到作为世界遗产所要求的标准。”试想，敦煌莫高窟的洞窟，面积那样狭小，又不通风，如果几十人往里挤，那将是个什么局面对壁画肯定是灾难。故宫在旅游高峰期曾一天接待12万人次，游客摩肩接踵，这哪里是参观博物馆这种情况如不加以限制，不仅文物受到破坏，对参观者也是一种愚弄。第三，缺乏管理的文物单位，不可贸然开放旅游。如楼兰古城，尼雅遗址，没有全面发掘清理，甚至有文物暴露于地表，在没有人管理的情况下，贸然开发旅游，其后果可想而知。第四，在文物景点，防止乱拆乱建。美国洛杉矶盖蒂文物保护研究所官员去年到泰山参观时“大吃一惊”，因为他在那里发现了“缆车、废弃物和唯利是图的商业行为”。在外国人感到吃惊的地方，我们都习以为常。在文物景点架缆车、建商店甚至游乐设施，破坏景观，污染环境。总之，实施文物旅游时，一定要注意其文化内涵的宣传，将文化保护放在首位。保护好了文物，也就保护了旅游业可持续发展的美好前景。

以下选项最适合作本文标题的是( )。

A．旅游发展对文物破坏极大

B．文物古迹是旅游业重要资源

C．在发展旅游中注意保护文物

D．保护文物刻不容缓
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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 Oceanz 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。

（16）（）

A.senses

B.cases

C.words

D.aspects
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