一般情况下，收缩压的高低主要反映 A．每搏输出量的多少 B．每分输出量的多少 C．外 发布时间：2018-04-25 19:06 │ 来源：www.tikuol.com 题型：单项选择题 问题： 一般情况下，收缩压的高低主要反映A．每搏输出量的多少B．每分输出量的多少C．外周阻力的大小D．大动脉弹性的高低
题型：单项选择题 完形填空 Robert was a life insurance(人寿保险) salesman. Try __1__he might, he was still unable to get a couple to sign up for a policy(保单). "I certainly don't want to frighten you into a __2__," he announced, standing up to__3__. "Please sleep on it tonight, and __4__ you wake up in the morning, let me know what you think." People can be motivated by many different __5__. Fear is the common one.__6__many people find that other kinds of motivation are usually __7__ effective in getting more out of those with whom we live and work. A twelve-year-old girl took her younger brother, who __8__from a mental disability, Christmas shopping. As they went into a department store, the__9__accidentally hit a display, knocking shoes in every __10__. At that __11__ a(n) angry clerk grabbed the boy by the arm and __12__, "Pick them up." "No," the boy screamed in defiance(反抗). "Pick them up," the clerk__13__. "No," the boy shouted back. His older sister began picking up the __14__. Then the boy started to __15__. Before long, the boy, his sister and the clerk were __16__ together to put the shoes back in __17__. When they finished, the girl taught the clerk a(n) __18__ lesson with these words: "You have to encourage my brother to do it in action." If you live or work with other people, you may benefit from the older sister's advice. If you want people to respond to you, try encouraging them in action. People prefer __19__. When you fill people with what they want, you're __20__ to get what you want out of them. ( )1. A. however ( )2. A. trouble ( )3. A. defend ( )4. A. should ( )5. A. feelings ( )6. A. Thus ( )7. A. less ( )8. A. arose ( )9. A. boy ( )10. A. section ( )11. A. occasion ( )12. A. demanded ( )13. A. expected ( )14. A. shoes ( )15. A. cry ( )16. A. walking ( )17. A. process ( )18. A. thoughtful( )19. A. gift ( )20. A. positive B. as B. sale B. fight B. will B. plans B. But B. more B. contributedB. girl B. direction B. stage B. conflicted B. commented B. books B. help B. organizing B. silence B. instant B. stick B. likely C. since C. bargain C. leave C. shall C. means C. Plus C. half C. benefited C. clerk C. shelf C. situation C. reminded C. shouted C. toys C. complain C. working C. detail C. cautious C. honey C. confident D. in spite of D. decision D. argue D. may D. results D. Since D. just D. suffered D. salesman D. course D. point D. arranged D. acquired D. bottles D. worry D. assisting D. order D. complex D. tears D. probable 查看答案
题型：单项选择题 用化学用语填空：（1）保持氮气化学性质的最小粒子是______；（2）氧化铝中氧元素显-2价______；（3）二氧化碳转化为一氧化碳的化学反应方程式______；（4）有三种物质生成的分解反应______． 查看答案