已知点F为抛物线y2=4x的焦点，过此抛物线上的点M作其准线的垂线，垂足为N，若 发布时间：2017-04-22 08:00 │ 来源：www.tikuol.com 题型：填空题 问题： 已知点F为抛物线y2=4x的焦点，过此抛物线上的点M作其准线的垂线，垂足为N，若以线段NF为直径的圆C恰好过点M，则圆C的标准方程是_____
题型：填空题 完形填空。 Tom is six now. His mother __1__ in a factory. She's busy all the time. She must __2__ at six in the morning. Then she cooks __3__ for her family. She goes to work with some __4__. So she can have lunchin the factory. At six she comes back and cooks supper __5__. After she does some housework, she often __6__ she's tired. So she wants to have a good holiday. "What do you want for a holiday?" "I want to have a good rest." says the woman, "I can take you to the zoo to see __7__." Tom likes the dolphins very much and __8__ wants to see the elephants. September is coming and a new __9__ begins. His mother asks, "Would you like to go to school, my dear?" "I'd love to." says the boy. "__10__ I'm going to have a holiday, too."( )1. A. lives ( )2. A. go to work( )3. A. breakfast ( )4. A. books ( )5. A. at home ( )6. A. speaks ( )7. A. flowers ( )8. A. too ( )9. A. day ( )10. A. And B. works B. go to bed B. supper B. paper B. at school B. talks B. pictures B. to B. week B. Then C. studies C. get up C. lunch C. water C. at work C. says C. trees C. also C. term C. But D. plays D. get on D. meal D. food D. on the farm D. tells D. animals D. can D. month D. or 查看答案
题型：填空题 男性，48岁，11年前有乙型肝炎病史，4年前发现肝硬化、脾肿大，今突然呕血、黑便，伴头晕、出冷汗而来院急诊，血压10/8kPa，脉搏110次／分，经复苏后循环稳定，未再出血，此时应（）A.急诊胃镜检查B.急诊分流术C.试用三腔管压迫D.急诊胃肠钡餐检查E.急诊断流术 查看答案