高考英语难点讲解-有章可循的主旨大意题
阅读中的主旨大意题主要是考查学生在阅读全文的基础上归纳总结文意的能力,然而,学生在阅读中常犯的毛病之一就是:只见树木,不见
阅读中的主旨大意题主要是考查学生在阅读全文的基础上归纳总结文意的能力,然而,学生在阅读中常犯的毛病之一就是:只见树木,不见森林。
●难点磁场
1.(★★★★★)A World of Opportunity
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NEW-An expanded,two-part Weekend section.Fridays,with more ideas about movies,shows,
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Question 1:The main idea of this advertisement is that ________.
A.many opportunities will be provided just to those who order home delivery
B.several new sections have been printed separately from now on
C.readers can be well informed of the latest news and sports results
D.people can pick up all the information they are interested in
2.(★★★★★)Millions of people use contact lenses(隐形眼镜).For anyone who doesnt mind sticking his fingers in his eyes,there are clear advantages:contacts correct vision better than glasses,are less often crushed underfoot,dont make you look boring,and come in a huge variety of formssoft,firm,colored,and even theatrical.
More and more people are turning to use of contact lenses.But are they safe?
Latest research from Australia shows that not all chemicals are effective in killing all germs(细菌)and some of these germs can cause blindness in just 24 hours.
While most problems with contacts still can go back to poor hygiene(卫生)or overuse,not all sight-threatening conditions only happen to those who wash their lenses under the tap or decide,while tired and emotional,to sleep in their lenses for the third night running.
Two of the biggest eye-damaging killersprotozoan acanthamoeba and bacteria pseudomonasare all around us,in our homes and water supplies.This seemingly harmless pair can cause blindness through keratitis(disease of the cornea).
The cornea(角膜)is like a five-layered sandwich,says Raymond Curran,a doctor from Omagh,Northern Ireland.Once the bacteria get into a layer they can reproduce there and turn the cornea opaque(too dark to see through).
An optician(验光师)may see one possibly sight-threatening case each month,but at an eye hospital there may be several each week.Acanthamoeba,often seemingly mild,can be misjudged until it is too late.Meanwhile,pseudomonas,more seriously,can cause increasing sight loss with each hour that passes.If not treated immediately,patients may need a corneal replacement.(责任编辑:www.360gaokao.com)
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