数据库应用系统中的基本逻辑工作单位是A.一个查询 B.一个过程 C.一个事务 D.一 发布时间:2018-01-15 09:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 数据库应用系统中的基本逻辑工作单位是A.一个查询B.一个过程C.一个事务D.一个程序
题型:单项选择题 Cloze test. People think children should play sports. Sports are fun, and playing with others. However, playing sports can have 1 effects on children. It may produce feelings of poor self-respect or aggressive behavior in somechildren. According to research on kids and sports, 40,000,000 kids play sports in the US. Of these, 18,000,000say they have been 2 at or called names while playing sports. This leaves many children with a bad 3 of sports. They think sports are just too aggressive. Many researchers believe adults, especially parents and coaches, are the main 4 of too much aggression ill children's sports. They believe children 5 aggressive adult behavior. This behavior is then further strengthened through both positive and negative feedback. Parents and coaches are powerful teachers becausechildren usually look up to them. Often these adults behave aggressively themselves, sending children themessage that 6 is everything. Many parents go to children's sporting events and shout 7 at other players or cheer when their child behaves 8 . As well, children arc even taught that hurting other players is 9 or are pushed to continue playing even when they are injured 10 , the media makes violence seem exciting. Children watch adult sports games and see violent behavior replayed over and over on television. As a society, we really need to 11 this problem and do something about it. Parents and coaches 12 shouldact as better examples for children. They also need to teach children better 13 . They should not just cheer when children win or act aggressively. They should teach children to 14 , themselves whether they win or not.Besides, children should not be allowed to continue to play when they are injured. If adults allow children to play when injured, this gives the message that 15 is not as important as winning. ( )1. A. restrictive ( )2. A. knocked ( )3. A. impression ( )4. A. resource ( )5. A. question ( )6. A. winning ( )7. A. praises ( )8. A. proudly ( )9. A. acceptable ( )10. A. By contrast ( )11. A. look up to ( )12. A. in particular ( )13. A. techniques ( )14. A. respect ( )15. A. body B. negative B. glanced B. conceptB. cause B. understand B. practising B. orders B. ambitiouslyB. impolite B. In addition B. face up to B. in all B. means B. relax B. fame C. active C. smiledC. tasteC. courseC. copy C. fun C. remarks C. aggressively C. possible C. As a result C. make up for C. in return C. values C. forgive C. health D. instructive D. shouted D. expectation D. consequence D. neglect D. sport D. insults D. bravely D. accessible D. After all D. come up with D. in advance D. directions D. enjoy D. spirit 查看答案
题型:单项选择题 男,35岁,因外伤,急症手术。选用全身麻醉,在麻醉诱导中发生胃内容物返流,气管内插管后进行人工呼吸,发现气道阻力增加,气道压力升高达4.5~5.0kPa,两肺闻及哮鸣音,同时伴有痉挛,血氧饱和度(SaO2)降低至95%以下。下列哪项预防措施是正确的()A.暂缓手术,待6小时后再麻醉B.麻醉诱导时禁用吸入性麻药C.术前预防性应用氨茶碱D.术前置口径大胃管,尽可能吸除胃内容物E.术前应用大剂量抗胆碱能药物 查看答案