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动脉导管未闭主要的内因是（）
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第二篇In Eritrea，a small country in northeast Africa，approximately 80 percent of the population is illiterate．That percentage is even higher for women．As in many developing countries，most Eritreans have traditional ideas about the role of women．They believe that women should stay home and take care of the family and should not get an education or look for a job．These beliefs are one of the factors that prevent Eritrea and other developing countries from improving their economic situation．Experience in many countries has shown that educated women have fewer children and have more opportunities for improving their lives and the lives of their families．In Eritrea，in fact，there is great need for improvement．It is one of the poorest countries in the world．For many Eritrean families，getting enough food is a daily problem．To deal with these problems，the Eritrean government，together with the World Food Program，has a new program that offers food as a reward for learning。In primary schools，all the children receive food packages to take home to their families．However，with the new program，the girls receive 50 percent more food than the boys．This way，parents are encouraged to send their daughters to school rather than keeping them at home．Another government program that aims to educate women is Food for Training．Managed by the National Union of Eritrean Women，this program offers food rewards(also from the World Food Organization)to women and older girls who are willing to join the program．Because of the war with Ethiopia，many women are bringing up their families on their own．They often live in refugee camps，with no land of their own and no way to earn money．Most of these women are illiterate and have no skills to find a job．They spend most of their day looking for food and preparing it for their families．The Food for Training program helps the teenagers and women change their lives．If they agree to join the program，they receive a large package of food each month．In return，the women are required to attend free literacy classes for two hours every day．When Food for Training started with classes in two regions of Eritrea，5，000 girls and women joined in the first two months．It is especially popular with teenage girls，aged fourteen to sixteen，who have never had a chance to go to school before．The organizers of Food for Training also plan to offer other kinds of courses for women，using the same system of food rewards．In these courses，they will teach women job skills and crafts such as basket weaving．These women will not only learn to read and write．They will become aware of what is going on in their country，and they will be able to have a voice in their future． According to the passage，traditional ideas about women（）
妊娠甲亢应首选（）
第三篇On a September day in 1991，two Germans were climbing the mountains between Austria and Italy．High up on a mountain pass，they found the body of a man lying on the ice．At that height(10，499 feet，or 3，200 meters)，the ice is usually permanent，but 1991 had been an especially warm year．The mountain ice had melted more than usual and so the body had come to the surface．It was lying face downward．The skeleton(骨架)was in perfect condition，except for a wound in the head．There was still skin on the bones and the remains of some clothes．The hands were still holding the wooden handle of an ax and on the feet there were very simple leather and cloth boots．Nearby was a pair of gloves made of tree bark(树皮)and a holder for arrows．Who was this manHow and when had he diedEverybody had a different answer to these questions．Some people thought that it was from this century，perhaps the body of a soldier who died in World War I，since several soldiers had already been found in the area．A Swiss woman believed it might be her father，who had died in those mountains twenty years before and whose body had never been found．The scientists who rushed to look at the body thought it was probably much older，maybe even a thousand years old．With modern dating techniques，the scientists soon learned that the Iceman was about 5，300 years old．Born in about 3300 B.C.，he lived during the Bronze Age in Europe．At first scientists thought he was probably a hunter who had died from an accident in the high mountains．More recent evidence，however，tells a different story．A new kind of X-ray shows an arrowhead still stuck in his shoulder．It left only a tiny hole in his skin，but it caused internal damage and bleeding．He almost certainly died from this wound，and not from the wound on the back of his head．This means that he was probably in some kind of a battle．It may have been part of a larger war，or he may have been fighting bandits．He may eyen have been a bandit himself．By studying his clothes and tools，scientists have already learned a great deal from the Iceman about the times he lived in．We may never know the full story of how he died，but he has given us important clues to the history of those distant times． What can be inferred from paragraph 2（）
理想对于（）相当于（）对于钻研
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