题干

地震发生时,灾民们面对的困难不仅仅是恶劣的自然环境,还有食物缺乏和各种疾病。例如,许多人都出现了全身浮肿的现象。这时造成浮肿的原因主要是(  )

A:寄生虫感染

B:体内严重缺少蛋白质

C:肾小球发炎

D:体内严重缺少无机盐

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答案(点此获取答案解析)

B

同类题2

阅读理解

    Our “Mommy and Me” time began two years ago. My next-door neighbor and fellow mother, Christie, and I were out in our front yards, watching seven children of age 6 and under ride the bikes up and down. “I wish I could take one of my children out alone,” said Christie.

    Then we worked out a plan: When Christie takes one of her children out, I'll watch her other three. And when she watches two of mine. I'll take someone out.

    The children were extremely quick to accept the idea of “Mommy and Me” time. Christie's daughter, McKenzie, went first. When she returned, the other children showered her with tons of questions. McKenzie was smiling broadly. Christie looked refreshed and happy. “She's like a different child when there's no one else around,” Christie shared with me quickly. With her mother all to herself, McKenzie didn't have to make an effort to gain attention.

    Just as Christie had noticed changes in McKenzie, I also discovered something different in each of my children. For example, I am always surprised when my daughter, who is seldom close to me, holds my hand frequently. My stuttering (口吃的) son, Tom, doesn't stutter once during our activities since he doesn't have to struggle for a chance to speak. And another son, Sam, who's always a follower when around other children shines as a leader during our times together.

    The “Mommy and Me” time allows us to be simply alone and away with each child-talking, sharing, and laughing, which has been the biggest gain. Every child deserves to be an only child at least once in a while.

同类题4

阅读下面文字,完成小题。

人文的意义

楼宇烈

①今天高科技的发展,使得整个世界在物质文明、技术手段方面发生了巨大的变化。这些变化一方面给人们的生活带来了方便、舒适,另一方面也给人们的思想、精神带来了很多问题。人的主动性和能动性,相当一部分随着科技的发展反而受到了很大的制约。在机械工业时代,人们就提出来:人不要沦为机器的奴隶。现时我们已经跨越了机械时代,到了信息时代,实际上我们现在面临一个非常大的危机,就是我们很可能成为信息的奴隶。这一切也就是哲学上讲的“异化”。人越来越被自己所创造的环境和创造物所制约,而现在这种情况越来越严重。“异化”总是与物质生活联系在一起,它促使人们的物欲不断膨胀。“以史为鉴”并不只是为了掌握知识,根本的问题是要把握人类的精神。

②科学家的人文修养对他的科学研究也是有很大帮助的。自然科学的研究者,首先要有很开阔的眼界、博大的胸怀,还需要有合作的精神。对于一个人来讲,最大的束缚就是名缰利锁。如果能够冲破名缰利锁,他就能够眼界开阔,心胸豁达,也能和别人合作默契。北大校长马寅初曾撰联:“宠辱不惊,闲看亭前花开花落。去留无意,漫随天外云卷云舒。”这样开阔的胸襟,必定要以深厚的人文素养为底蕴才有可能,也只有这样才能成就大事业。

③在中国的传统文化或传统教育里,这个问题就是一个人的治学态度问题,也就是说我们学习的目的究竟是什么。孔子说:“古之学者为己,今之学者为人。”古代的人学习是为了提升自己的修养,而今天的人学习是为了显示给别人看,“瞧,我知识多广博,我多能耐”。这就是所谓“为己之学”和“为人之学”。最根本的当然是“为己之学”,实际上也就是“为人之道”。人如何成为一个具有高尚品德的、完美的人,如何使自己成为一个真正的人,关键是看你自己,关键是修养的问题。用一句话来讲,就是外因还须通过内因来起作用。

④我觉得素质教育中很有必要加入一些人文学科的内容。人文学科主要指文、史、哲。文既包括文学,也包括艺术,甚至还包括语言;史当然是指历史了;哲,广义上讲也包含了宗教。所以,文学、艺术、历史、宗教、哲学都属于人文学科,是以培养做人为目的的。我们现在加强文化教育,增加了人文的内容,这不仅仅是现象上的东西。人文的意义不是要人们多学一点历史知识,会背诵几句唐诗、宋词,而是要从中体味人生,陶冶性情。人生既是渺小的,又是伟大的,生命既是短暂的又是永恒的,人类就是这么一个矛盾体。我们可以改造世界、创造未来,可以把人送上天;可是自然一发威,我们又无法抵御。所以我们要通过人文来体味人类的伟大与渺小,体会人生的短暂与永恒,树立与天地共生共存、与古代圣贤并肩并进的志气,这才是根本的。