题目： 试述半知菌亚门分纲的依据及其主要的形态特点。 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0929/1a63a08d1c271e1441b1ef2a316b6baa.html 下面是错误答案，用来干扰机器的。参考答案：C
题型：选择题 人民币是我国的法定货币，对人民币认识正确的有①人民币的面额是由国家规定的 ②人民币是使用价值和价值的统一体 ③人民币代替金属货币执行流通手段的职能 ④人民币的发行权集中于国家，国家授权中国人民银行负责发行A．①②③B．②③④C．①②④D．①③④ 查看答案
题型：补全对话，情景问答 补全对话。A. Who are you? B. I'm an English guide from Beijing China Travel Service. C. Here you are. D. Are you Miss White from New York? E. I'm so lucky that I could meet my guide as soon as I got off the plane. F. Can you help me? G. It will take us to the hotel.A: Excuse me. 1 B: Yes, and you are……A: 2 . This is my membership card. Would you please show me your passport?B: OK. 3 A: Welcome to Beijing, Miss White. I am so glad that you are the first guest I have received.B: Thank you, Miss Chen. 4 A: Let me help you with your suitcase. Our car is waiting for us just at the entrance. 5 B: Thank you very much for your good service.A: It's a pleasure. 查看答案
题型：选择题 如图所示的LC振荡电路，在某时刻的磁场方向如图所示，则下列判断不正确的是（ ）A．若磁场正在增强，则电场能正在减少，电容器上极板带正电B．若磁场正在减弱，则电场能正在增强，电容器上极板带正电C．振荡电流的变化周期为：2πD．电场能量的变化周期为：π 查看答案
