一朵绚丽多彩的鸢尾花,它的花瓣如同梦幻般的宝石,五彩斑斓,十分耀眼。它鲜亮的紫色、淡雅的粉色、明亮的橙色和耀眼夺目的金黄色在映衬下更加迷人。它仿佛是从天上飘来,弥漫出一片浪漫气息,优雅地张开叶片舞动出一圈圈旋律。...
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from tkinter import * # 导入tkinter库 root = Tk() # 创建一个窗口对象的实例 root.title("计算器") # 给窗口的标题命名 root.geometry('300x400') # 设定窗口大小 # 这里是用来创建功能按钮,比如+ - * / = 等等,我们将它们放在4行4列的表格中。 btn_list = [ '7', '8', '9', '/', # 这里是1行, 4个功能按钮(注意这里最后要加一个逗号) '4', '5', '6', '*', # 2行, 4个功能按钮(注意这里最后要加一个逗号) ...<未完>点击进入
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In the past few years, China has made great contributions to the world. For example, Dr. Li Lanjuan, a renowned Chinese epidemiologist and academician of the Chinese Academy of Engineering, has made outstanding contributions to the prevention and control of COVID-19. She was also an important member...<未完>点击进入
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In the past few years, China has made tremendous contributions to global development and poverty alleviation. It has provided emergency aid to countries in need, sent medical teams and supplies to fight the COVID-19 pandemic, and invested heavily in renewable energy sources. In addition, it has cont...<未完>点击进入
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One of the unsung heroes of the COVID-19 pandemic is Dr. Sandra López, a medical doctor from Mexico City. She has dedicated her time and energy to providing medical care and support to those affected by the virus in her city. Despite being overworked and understaffed, she has continued to show up ea...<未完>点击进入