题型：问答题 简答题 完形填空。Dear Students, I am very happy to be your guest speaker today. It is a great pleasure to visit your school and to meet all of you. I would like to tell you about 1 . I have been a news reporter for the past fifteen years. I 2 thisjob so I could travel the world, but job has taught me many unforgettable lessons. The work is sometimes 3 . I have seen famines (饥荒), earthquakes, poorness and death. But I have 4 seen courage (勇气), hope andhappiness. In India, I visited a city where there were many homeless children. Some were 5 as four years old. They lived in the 6 and depended on themselves by begging or stealing (偷). But then a wonderful lady called Rosa opened a home for them. Within one year, she was 7 two hundred children. She clothed them, fed them and taught them. She gave them 8 . 9 time, I was in Turkey after a terrible earthquake. In one place,I found an old lady whose house was destroyed. Her son was missing and rescue workers said 10 no chance that he was still alive. But the oldlady did not 11 hope. For four days,she moved heavy stones one at a time by herself. She did not stop 12 she found her son. He was alive. Here in China, I met a young boy 13 was seriously ill. He had had twentyoperations (手术) and spent nearly his whole life in hospital. I thought he would be 14 , but when I met him,his smile was so warm and welcoming. 15 ,we need good models that we can admire and learn from. Whenmy life is difficult, I try to remember the courage and goodness of these three people. ( )1. A. myself ( )2. A. found ( )3. A. interesting ( )4. A. never ( )5. A. as young ( )6. A. hotels ( )7. A. looking after( )8. A. money ( )9. A. One ( )10. A. it turned ( )11. A. give out ( )12. A. until ( )13. A. which ( )14. A. happy ( )15. A. At school B. me B. had B. importantB. also B. so littleB. streets B. aiming atB. food B. Another B. it seemedB. give up B. while B. what B. unlucky B. At work C. us C. chose C. easy C. ever C. as small C. houses C. dealing withC. medicine C. The other C. there was C. give back C. when C. whose C. sad C. In life D. ourselves D. liked D. difficult D. already D. so old D. classrooms D. thinking about D. hope D. Other D. there were D. give off D. after D. who D. friendly D. In hospital 查看答案
题型：问答题 简答题 患者，女性，35岁，缺失，行可摘局部义齿修复1年后支托折断，下列说法正确的是（）A．应先检查支托间隙B．不用检查，建议患者重新修复C．若支托间隙不够，只能建议患者重做D．若无法备出支托间隙，也不能调磨对颌牙E．重新预备支托间隙后可不对义齿做任何处理，直接取模后重新制作支托 查看答案
题型：问答题 简答题 一根长为L、质量不计的硬杆OA，杆的中点C及A端各固定一个质量均为m的小球，杆、球系统可在竖直平面内绕O端的水平轴转动，如图所示．若开始时杆处于水平位置，并由静止释放，当该系统在转动过程中通过竖直位置时，A端小球的速度va为多大？，中点小球的机械能比在水平位置时减少了多少？ 查看答案
缺失，行可摘局部义齿修复1年后
支托折断，下列说法正确的是（）支托