问题 选择题

李明同学的妈妈发现李明自从上了初中以后,学习比原来更刻苦了,但也发现李明看书时眼睛与书的距离比正常情况越来越近了,请你在下列判断及矫正措施中,选出正确的一项向李明同学说明    (    )

A.李明同学已患上近视眼,需要佩戴用凸透镜制成的眼镜

B.李明同学已患上远视眼,需要佩戴用凸透镜制成的眼镜

C.李明同学巳患上近视眼,需要佩戴用凹透镜制成的眼镜

D.李明同学已患上远视眼,需要佩戴用凹透镜制成的眼镜

答案

答案:C

题目分析:近视眼能看清近处,远视眼能看清远处,李明看书时眼睛与书的距离比正常情况越来越近了,说明能看清近处的物体,不能看清远处的物体,属于近视眼,近视眼用凹透镜来矫正,使像后移到视网膜上。所以答案是C

点评:本题有一定难度,学生只要知道近视眼能看清近处,远视眼能看清远处,还有凹透镜配近视,凸透镜配远视,答案迎刃而解

填空题


It is clear that we are rapidly becoming a global culture. New forms of information technology, intercontinental travel, and the complex nature of economics are all elements in such a change. Japan, an ancient (1) culture, now dominates the West economically while its own traditional (2) is rapidly becoming (3) in the process.
It does not take a great deal of analysis to see the vast interchanges of cultural influences in the world today. The thirst for (4) fashions, popular music, and the other elements of consumer culture (5) great inroads in non-Western lands while the West seeks out everything from the religious traditions of the Ease (6) the art and music these countries produce. In the field of (7) , to cite one conspicuous example, contemporary readers seek books (8) those of the West. Latin American authors, as well as those from Africa, Asia, and India, now find appreciative audiences.
A (9) culture does not mean a unitary or "one world" culture. It does mean that people are increasingly aware of the diversity of culture. World events enter our living rooms so that things that may once have been (10) of as distant (11) now greet us immediately and in color. We may watch those events on a television made in Japan while wearing clothes sewn in Thailand and shoes made in Hungary while snacking (12) food grown in Mexico. Such an economic interdependence reflects the reality of a global banking system, the globalization of the economy, and the increasing (13) of information and information technologies.
(14) has this shrinking of distances (and attitudes) become more clear than in the academic debates over what constitutes a liberal (15) education today. Is it possible (or desirable) to have the Western core of humanities (16) the center-piece of a curriculum The place of non-Western and non-traditional cultures as part of the general (17) of a student is hotly argued in educational circles. The very fact of that discussion (18) to the emergence of a global consciousness with a continued shrinking of parochial attitudes. The (19) that such globalization is hotly debated only emphasizes the profound nature of the (20) taking place in our culture.

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