分析 本文以父母對于上大學(xué)的成年子女過度保護的問題為例,提出了科技帶來的一些改變?nèi)菀妆徽`認為態(tài)度的改變的論點.
解答 67.答案:C.細節(jié)理解題.根據(jù)第二段第二句話:parents today continues to be"very"or"somewhat"overly-protective even after their children move into college dormitories"調(diào)查顯示現(xiàn)在的父母在孩子上大學(xué)之后仍然非常或者某種程度上地過度保護子女.
68.答案:C.觀點態(tài)度題.第三段作者提出調(diào)查的結(jié)果并不能理解為現(xiàn)在的家長對孩子不放手,接下來的兩段作者論述了出現(xiàn)這種結(jié)果的真正原因是科技的發(fā)展使得交流手段更豐富,成本更低廉.見第四段最后一句"Many studies show that older parents-today's grandparents-would have called their children more often if the means and cost of doing so had not been a barrier.最后一段更是再次強調(diào)了這種觀點.
69.答案:A.主旨大意題.由第一段第二句話得出.這種科技的改變?nèi)菀妆徽`認為態(tài)度的改變.第2-5段討論到底是科技還是態(tài)度的改變.第6段再次明確表示是科技的改變.
70.答案:B.文章結(jié)構(gòu)題.文章第一段是introduction,第二段是第一個論點,指出父母在子女生活中參與度提高的現(xiàn)象.第三段是第二個論點(關(guān)鍵詞However),指出通過調(diào)查并不能推斷出父母未能對子女放手,分論點一是科技的進步導(dǎo)致父母對子女生活更多的參與,分論點二(關(guān)鍵詞Furthermore)是子女經(jīng)濟不獨立導(dǎo)致父母對子女生活的過多參與.最后一段總結(jié).
點評 這篇文章考查全面,除了抓住主旨,還需要理解細節(jié),特別是掌握文章的結(jié)構(gòu).這些不是某個句子可以體現(xiàn)的,要對文章有整體把握.
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Below is a selection from a popular science book. If blood is red,why are veins (靜脈) blue? Actually,veins are not blue at all.They are more of a clear,yellowish color.Although blood looks red when it's outside the body,when it's sitting in a vein near the surface of the skin,it's more of a dark reddish purple color.At the right depth,these blood-filled veins reflect less red light than the surrounding skin,making them look blue by comparison. Which works harder,your heart or your brain? That kind of depends on whether you're busy thinking or busy exercising.Your heart works up to three times harder during exercise,and shifts enough blood over a lifetime to fill a supertanker.But,in the long run,your brain probably tips it,because even when you're sitting still your brain is using twice as much energy as your heart,and it takes four to five times as much blood to feed it. Why do teeth fall out,and why don't they grow back in grown-ups? Baby (or"milk") teeth do not last long; they fall out to make bigger room for bigger,stronger adult teeth later on.Adult teeth fall our when they become damaged,decayed and infected by bacteria.Once this second set of teeth has grown in,you're done.When they're gone,they are gone.This is because nature figures you're set for life,and what controls regrowth of your teeth switches off. Do old people shrink as they age? Yes and no.Many people do get shorter as they age.But,when they do,it isn't because they're shrinking all over.They simply lose height as their spine (脊柱) becomes shorter and more curved due to disuse and the effect of gravity (重力).Many (but not all) men and women do lose height as they get older.Men lose an average of 3-4cm in height as they age,while women may lose 5cm or more.If you live to be 200years old,would you keep shrinking till you were,like 60cm tall,like a little boy again?No,because old people don't really shrink!It is not that they are growing backwards-their legs,arms and backbones getting shorter.When they do get shorter,it's because the spine has shortened a little.Or,more often,become more bent and curved. Why does spinning make you dizzy (眩暈的)? Because your brain gets confused between what you're seeing and what you're feeling.The brain senses that you're spinning using special gravity-and-motion-sensing organs in your inner ear,which work together with your eyes to keep your vision balance stable.But when you suddenly stop spinning the system goes out of control,and your brain thinks you're moving while you're not. Where do feelings and emotions come from? Mostly from an ancient part of the brain called the limbic system.All mammals have this brain area-from mice to dogs,cats,and humans.So all mammals feel basic emotions like fear,pain and pleasure.But since human feelings also involve other,newer bits of the brain,we feel more complex emotions than any other animal on this planet. If exercise wears you out,how can it be good for you? Because our bodies adapt to everything we do to them.And as far as your body is concerned,it's"use it,or lose it"!It's not that exercise makes you healthy,it's more that a lack of exercise leaves your body weak and easily affected by disease.(596words) |
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