请在 下方输入 要搜索的题目:

[单选题]<img style="max-width: 100%;" src="data:image/png;base64,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"> A <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAgIAAAAdCAYAAADYWgSrAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAkcSURBVHhe7V0LkqQgDO1z9YE8T5+mL9OHcUREEQn5GATHbNXWfgZj8hLIS0B9jfbLEDAEDAFDwBAwBB6LwOuxlpvhhoAhYAgYAoaAITAaEbAgMAQMAUPAEDAEHoyAEQHU+b/x836Nr5f7/R4/P/SCfzrAcLiPY81X9/GVaWoItEfAiADig99nWJP/d5jIwPszPpELGA7tJytVgy589R3gufL7jG+VeeQJz/ClImPjDAFDIIeAEQFOXLgF7DWMj193DAdO1LQd28pX831f4zvXQiv9jIVW6HzYnGTBZoMNgQQBFhGYK+Int8jVKpmbx6HhcB8HtvJViYCkP3P/FpX1nghkycZ9PGSaGgLNESASge84OAKwTNbf5/3MFvnU7rRFZ4pZw6H5xCUrcImv4jMJoVgQ/MkmAw8kAks35SkFWSg++evukrPmwvXp57vw1YJEBPZ748ukZ09aXJm+R0yBpbKv2beVuHaGA45RLyMa+orTEQhw/X6Z8zff8QvuxSFEoFU3pJb73bmLKamtS2/671r3Xf3jt3tCQVj1dottPokzuz47srQnpI9LW0Qn4UTg6mAjKn71sO9g+5AOc8Ph6siT36+pryREIGtqWtnxOw38alKOeb0r913ZcB9fMV+0NoUEe2U2XfIP3Yc5chjFkBVz2RBFiMBS/T8cPLcVssb+NBmGhz5DaDjUW+a1JTf3lSoRgB7bRToCpScXtAGvLG/ejo27ARsT4FfMlXVVFc8lAuD6HMjAkx8Bhz1TJgJcJ6hGQB/CtgOS5/ea5sl8JZtWhPBJONzZT75rk1bNDRa/QnvWt3upVaxbwP8fEXA+4la52feYtKjSFdcVVJRiDvLzosFcQI1sPyBPBJL9mXni9tAV2C0u00IimgSBGaYLUb71pumi0wlGxf61lPAHQA8L8g1w0HRKRlZffppTezNfiaG+W0dAdW4hqLHPLhSq2VVvKrESeDTFRiBCfIk6EaiIk9jIcxfGxD8ml9v/4zYXOwKX7j+hcydpjbkW0BtolwGyQnstHEDZF+fLZKtIeM4kmENrUGB/gOXOOJybMrSre/GT07a1r2iIZdkU/M4N1rsN6ncENOcWjpfbzmBWpcVkD5FEXBPuiDkfXN3RVCMCHid6F4aLTuPxS4x493hb3d/BLaVE3QIRkJ8PSBevkHhzf1Ic4+Wlk0f+MpGg3/HeE4AVA12aYLTtTwnBXXC4aqr15qeYEFztKzHmN9kaqDW3jtszhUOO2JrTAxFYdKCv17RDnag8LSIwy8ErY3G8N77Qx7Gzz+XFzU7qdghMBERt9wpogAEoJyruOfjsIynT/2Nz8oyFogRTw/5gxB1wiBLK0TfR8+sZx22ElLcAdOenmeS3iVlxvKtuDdCSSrbgKHX4as6tLHCuUuPF4iymRASu2BpY44/ZyRAHT3ShChEodZUAJRusO3K4tkf6v0PsI3qOhIlAF48Nlqr+E62eLMnR7QZwuiJwu62S/VtLIPNccI84yKcIduUt/BQngx3h0fUVhhXr51wiAL74qNbWQOW5lQHLxRpaAYMEAjhgGdayiluangc0OiemQASc7jULPNa8qDEYIi2MLg5IBKgthRp2rTILhlD3PrL6ZYhA/KGWWjaxK81a9heIQJc41HIIWAwwn+6o7SeACEh9tbatayYPDhGIDifzEuWJNwte4bM4vtgHBHcXL19AzVTkAbso0+n7t/4BYnCKF4gAxU6MfFFkaC8/6vfMxIBfMuhn6AAiQG8p5EDiVFmliQ8bAh+QoSXb5GAgUI3QZNHDhCuPbz/387M0HKaQUv0UMxcHOsI6I7n68f0k0ZPqK0x2/IIejVYv8HphRzKgcwIzAYn0iJLYb3qNIP3rnnIiUNtnqmcECov60Q5t/87tgPw7DEpEen21b3lbByV+IBEg2Im+XpsgA5tO7J/r3xMq2jmH/fNEoJPzAfmDPC4upxbb9LGRtKW+EhC0DxQTnXx7lS6LHgmyBHNcrGH7uZ9MxnHwzJIrt4wJFwc6wjojufpx41SmJc1XJNlrBS7YrybdYI6alTwepqPawa2zRIA+t9YKS9JFcfaiaxIGbL4qzy72yv6F4hvTWOXnpa2Bkp0g5hOOsQ+VsSLZrHpP6JX/vC5O8T0Cp2OXhAo8KCTjjTUuj0V8tk+c7g9HLO0QVPFtf3AY4MWQmxAwc7nyJPavOpAe0aLhsLOLJPeJRCB+NAmPUyxWjj8X+KpwE6xlytcvviLo6hPtb/qGwOGXyt72WSJQ22eBEGl0XiZZSWVeav3q+TchoBIidCKYsIIsa2fuPThRhyLtQuhhRTdU7Z7QFlcUK2mOzGmZJQKclgLddMnItO24JO3CiU5qsg2tuxJnoMqiWsaXx7d/RwQIk5aCw4EIEOSWMOHjQEVYZxxfP66fkhfEAHt8qTW4r4hyT+1XIxizuolbmxRtEWdvKycC++2u6CAetLYEHzFjX23BD/bvkhxQxKj6N47tmh2kxMHAttIuTjJ2rsQB3JpISJkqVsT1R/GeYLcmihO0Lp7UzhABXkuBaPplw6iLOOUkKVXWZcZxboTuj3lhFBx2tyXK5aj6yLFhMQgtTMLiQPIVJpdwH6k/ZC1k+LwPrscZIoBL34/w96IsqlzJquMr+ldVz7PCNOzUkMG1o8U9CToeicDMxJRaWQQFtIeQkve0+FImNEmWtgEq8pJ9MEgmEYftcqJcFRv+t5C5Upy2pd5LIKKVI9FXbLkaMJf2cSnyxdtNyxYM+Jliys2JY8Q6EuXbMEOgIQIv/7KKLfHzPobRUHPg1mjydvZSWMAkH5XVn/mzRqTPzzJwCGaS5HaKSV9qpU/luIRWaLuSfcWU2xcoXWuDErWutTflDIEyAi9/AMUvQnPiY+6B9QZwLnmvL8NgtmXuSAScztAnk6U4OB+X5PYWA93rk8Zh5oSzyFcEud1j06WCjmDdt0vaJaSmVFcITFsD+ed5u9KSqkx8kGbLhtsz8BySk5VFVaTNuPLnZ6NDPxwc5g5DB5+1bQNplbum1WXAdzsIJfMVLreKOf9f6HpwzcjA/3f2My0sfn3wmZCY1YaAIWAIGAKGwHMQMCLwHF+bpYaAIWAIGAKGwAGBP8h0MX896/XVAAAAAElFTkSuQmCC" class="w-e-selected"> B <img src="data:image/png;base64,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"> C <img src="data:image/png;base64,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"> D <img src="data:image/png;base64,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">

[单选题] A B C D

发布时间:2024-09-29 06:08:01
推荐参考答案 ( 由 搜搜题库网 官方老师解答 )
联系客服
答案:
专业技术学习
专业技术学习
登录 - 搜搜题库网
立即注册
注册 - 搜搜题库网
验证码
立即登录