单选题 It is estimated that some seven hundred million people--about half of the world's population are unable to read and write, and there are probably two hundred and fifty million more people whose level of attainment is so slight that it barely outlives a literacy.
Recently the attack on illiteracy (文盲) has been stepped up . A world plan has been drawn up by a committee of UNESCO experts in Paris, as part of the United Nations Development Decade, and an international conference on the subject has the aim. People must learn the basic skills of responsible citizenship: the ability to read notices, newspapers, timetables, letters, pricelists, to keep simple records and accounts, to sort out the significance of the information gathered, and to fill informs.
The major areas of illiteracy are in Asia, Africa, and Central and South America. In Africa
there are at least one hundred million illiterates, compromising(牵连) eighty to eighty-five per cent of the total population. In Europe the figure is about twenty-four million, most of them in Southern Europe, with Spain, Italy, Portugal, and Yugoslavia heading tl ,c list (the United Kingdom has about seven hundred thousand).

单选题 Studying carefully the clues in the passage, we learn that the total population of Africa is ______.
A. approximately seven hundred million
B. approximately one hundred and twenty-five million
C. approximately eight or eight point five thousand million
D. exactly twenty-four million
【正确答案】 B
【答案解析】[解析] 从第三段第二句句意“非洲至少有一亿文盲,占人口总数的百分之八十到八十五”可知非洲总人数。故本题答案为B。
单选题 The figure of illiteracy in Britain comprises ______.
A. zero point one per cent of that of the illiteracy in the world
B. zero point two per cent of the world adult population
C. thirty-five per cent of Europe's population
D. three point five per cent of that of the illiteracy in Southern Europe
【正确答案】 A
【答案解析】[解析] 文章末尾处说,不列颠有文盲大约七十万,再结合第一段,世界大约有2.5亿文盲,可得出答案。故本题答案为A。
单选题 It is obvious that UNESCO ______.
A. is a company in France
B. is a world organization in the U. N.
C. works mainly at fighting against illiteracy
D. had many experts whose level of attainment is far from literacy
【正确答案】 B
【答案解析】[解析] 第二段中我们可以看出,UNESCO是联合国的一个组织。故本题答案为B。
单选题 A world plan mentioned in the passage aims at ______.
A. raining responsible citizens
B. enforcing the functions of UNESCO
C. helping illiterates learn how to read and write
D. urging southern European countries to take in attacking illiteracy
【正确答案】 C
【答案解析】[解析] 仍然在第二段中,我们可以找出“People must learn basic skills of responsible citizenship...”来支持答案C。故本题答案为C。
单选题 The author implies that this world plan is to ______.
A. be carried in ten years.
B. be realized in ten years
C. be drawn up by Parisian experts
D. be debated at an international conference
【正确答案】 B
【答案解析】[解析] 细节题,第二段中,“decade”意思是“十年”。故本题答案为B。