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问题 选择题

环渤海经济区包括辽宁、河北、北京、天津、山东5省市，是继珠江三角洲、长江三角洲后又一个经济快速发展的地区。读图，回答1～2题。

小题1:下列环渤海经济区的港口中，位于渤海沿岸的是

A．天津、青岛

B．烟台、大连

C．秦皇岛、天津

D．秦皇岛、烟台小题2:京津唐工业基地发展工业的不利条件是

A．缺乏煤、铁和石油资源

B．水陆交通不便

C．开发较晚，工业基础不好

D．水资源短缺

答案

小题1:C

小题2:D

小题1:从图中可以看出，位于渤海沿岸的是秦皇岛、天津。

小题2:京津唐工业基地位于我国北方地区，降水少，所以水资源短缺是发展工业的不利条件。

问答题

[问题2] Web页面的组织形式有哪几种
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单项选择题

It is difficult to imagine what life would be like without memory. The meanings of thousands of everyday perceptions, the bases (51) the decisions we make, an d the roots of our habits and skills are to be (52) in our past experiences, which are brought into the present (53) memory.

Memory can be defined as the capacity to keep (54) available for later use. It includes not only "remembering" things like arithmetic or historical facts, but also any change in the way an animal typically behaves. Memory is (55) when a rat gives up eating grain because he has sniffed something suspicious in the grain pile. Memory is also involved when a six-year-old child learns to swing a baseball bat.

Memory (56) not only in humans and animals but also in some physical objects and machines. Computers, for example, contain devices for storing data for later use. It is interesting to compare the memory-storage capacity of a computer (57) that of a human being. The instant-access memory of a large computer may hold up to 100000 "words" —ready for (58) use. An average American teenager probably recognizes the meanings of about 100000 words of English. However, this is but a fraction of the total (59) of information which the teenager has stored. Consider, for example, the number of facts and places that the teenager can recognize on sight. The use of words is the basis of the advanced problem-solving intelligence of human beings. A large part of a person’s memory is in terms of words and (60) of words.

56（）。

A. exists

B. appears

C. affects

D. seems
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