平时作业资料
- 如果二次函数<img alt="1" src="/tk/20210512/1620768909019.png"/>（<img alt=&quo2024-09-08
- 已知抛物线y=-x2+bx+c的顶点P的坐标为（n，n2+2n+1）（n≥1）.2024-09-08
- 已知关于x的一元二次方程x2+x+k=0没有实数根，则k的取值范围是_________．2024-09-08
- 如图，在△ABC中，AB=AC，点D是BC边上一点，EF垂直平分CD，交AC于点E，交BC于点F，连结DE，求证：DE∥AB．2024-09-08
- 已知，正六边形ABCDEF在直角坐标系的位置如图所示，A（﹣2，0），点B在原点，把正六边形ABCDEF沿x轴正半轴作无滑动的连续翻转，每次翻转60°，经过5次翻转之后，点B的坐标是______． &2024-09-08
- —Will you come to the dinner party?2024-09-08
- President Xi made an important speech ______ National Memorial Day(公祭日) in Nanjing last year.2024-09-08
- Tom is a big boy now. This coat is too short on ______.2024-09-08
- The plants must________ every three days, or they will fail to grow.2024-09-08
- _______ the boy has made some mistakes, we should give him another chance.2024-09-08
- Some gifts were ________ on her _________ birthday.2024-09-08
- We ______ four thousand new words by the end of last year.2024-09-08
- _ _____ you _____ shape your life and your future. We should wait for no one.2024-09-08
- --Last summer ,a lot of athletes went to Brazil to______the 2016 Rio Olympics.2024-09-08
- I can’t ______ the work on time. I need your help.2024-09-08
- —_____ free education, the poor children in our hometown can go to school.2024-09-08
- ---Tell us something about Canada, OK? 2024-09-08
- The basic design of the house is very _____ that of earlier models, but ___ than it.2024-09-08
- You can’t go out to play until your homework ________..2024-09-08
- (A)根据句意和汉语注释，在答题卡标有题号的横线上，写出单词的正确形式。<br/>2024-09-08
- 根据下列汉语注释，首字母,句意或者音标，写出各单词的正确形式.每空限填一词。<br/>2024-09-08
- 【1】Nodding the head means a .2024-09-08
- The engineer _______ most of his time to building the high-speed railway. Ho2024-09-08
- 一Could you please tell me ____ ?2024-09-08
- Now, Mum ____ to ____ fish with a long knife bought from Germany.2024-09-08
- There's only one ticket for the concert. I'm afraid ________ you ______ your sister ca2024-09-08
- There's only one ticket for the concert. I'm afraid ________ you ______ your sister ca2024-09-08
- --How can I solve the problems?2024-09-08
- Red is one of the_________ and can help you make a decision quickly.2024-09-08
- --Could you tell me_________ the sports bag is made of cotton or not?2024-09-08
- The Smiths talked happily ______ a loud vice when they went on a trip ______ their2024-09-08
- 甲企业是一家历史悠久的生产通讯设备的企业，面对激烈的市场竞争，该企业所占的市场份额越来越小，生产经营困难。2009年公司高层管理者决定开发市场需求较大的电视机、电冰箱等产品。这一决定充分利用了企业现有2024-09-08
- --What should I wear for the party?2024-09-08
- 某企业由一位总经理和两位副总经理组成领导班子，工作有魄力，开拓创新意识强，经常超负荷工作，该企业产品在市场上有一定的竞争能力，企业经济效益也不错，但近一段时期以来，随着业务量增大，企业经营效益有所下降2024-09-08
- Most people thought he was a black sheep of the village. So __________2024-09-08
- 甲、乙、丙、丁、戊作为发起人拟募集设立一家股份公司，他们认购了部分的公司股份，剩余部分股份准备向社会公开募集。股份募集完毕后，发起人持有公司股份的38％，公开募集股份的认购人共计持有公司股份的62％。2024-09-08