Most of the inhabitants live in mud-brick homes, their (1) walls insulating against the afternoon heat. Flat roofs, exposed (2) the northern evening breezes, serve as cool sleeping (3) as well as storage areas. Villagers plaster the outer walls (4) often trim them in blue, a color they believe (5) off the evil eye. As a man becomes richer, (6) can add a second story to his house perhaps (7) his married son. Those villagers who have made the (8) to Mecca paint the legend of their trip on (9) outer walls of their homes. Such hajj houses, along (10) the mosques, are the most distinguished buildings in a (11) .
Some villagers build ornate pigeon coops close to their (12) , using the birds as food and their droppings to (13) crops. Many houses still have dirt floors and lack (14) or running water; women with jars balanced on their (15) make the trek to the co
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Electronic Teaching The potential of closed-circuit television and other new electronic teaching tools is so great that it is fascinating to visualize "the school of tomorrow". Televised lessons will originate from a central building having perhaps four or five master studios. The lessons will be carried into classrooms all over a city, or even an entire country. After a televised lesson has been given, the classroom teacher will take over for the all important "follow-up" period. The students will ask any troublesome questions, and difficult points will be cleared up through discussion. The teacher in the classroom will have additional electronic tools. On the teacher’s desk, the traditional chalk and erasers will have been replaced by a multipl A. The classroom teacher will take over for the all important "follow-up" period. B. The lessons will be carried into classrooms all over a city, or even an entire country. C. The students will ask any troublesome questions. D. Difficult points will be cleared up through discussion. [判断题]在航空器保障作业过程中出现意外情况未报告的，每次扣除3分。
A.正确 B.错误 [单选题]运输货物每项运费、杂费的尾数不足()时，按四舍五人处理。
A.1角 B.2角 C.5角 D.1元 [单项选择]患者男，27岁。牙龈疼痛。自动出血3天。检查：腐败性口臭，多个牙的牙龈乳头尖端消失变平，下切牙的龈缘虫蚀状坏死，有灰白膜覆盖。分析导致该病的主要病原微生物为（）
A. 伴放线放线杆菌 B. 牙龈卟啉单胞 C. 葡萄球菌 D. 梭形杆菌和螺旋体 E. 放线菌 [单项选择]患者男性，72岁。9年前开始经常出现咳嗽、咳痰，近1年来症状加重，咳嗽、咳痰喘息，呼吸困难。X线胸片显示肺透亮度增高，膈肌低平。患者1天前在用力大便时突感呼吸困难加重，右胸刺痛。最可能诊断为自发性气胸。为明确诊断最适当的检查是（）
A. 血气分析 B. B超检查 C. 心电图检查 D. 胸部X线检查 E. 支气管镜检查 我来回答: 提交
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