未知类型:{'options': ['[tex=1.929x1.0]WGTJbJfrZk618n3UGQ1Qcg==[/tex]', '[tex=1.143x1.0]cRwTjt69IxPBQu7owk3pbg==[/tex]', '[tex=3.214x1.357]hEZ8V1ORkzGxZWeo/QbPjg==[/tex]', '[tex=3.143x1.357]UWFvwdABiqgMw1xawTjYqg==[/tex]'], 'type': 102}
举一反三
- 某人对商品x的需求函数是[tex=5.214x1.214]0m6eBd5eyK0NjuxeKfwtIw==[/tex],[tex=4.214x1.214]I717YsPbj8Rnym1v2XQ+sFNkUl7mqUsGwbjwjXmy2xc=[/tex],这里[tex=0.571x1.0]Za328cIB4SeR7rrzY+MM5Q==[/tex]是[tex=0.571x0.786]ZSLOI4fiO1oAbVC5M8IVkA==[/tex]的价格。如果商品x 的价格是0.5元,那么他对商品x的需求价格弹性是 未知类型:{'options': ['-10', '- 1/5', '-1/10', '\xa0- 1/3'], 'type': 102}
- 下列晶体中具有[tex=0.571x0.786]KMF8QHqVjNLkn7nK5uaSag==[/tex]键、大[tex=0.571x0.786]N02a8LR+X7uadF7bDYMkPA==[/tex]键和分子间力的有 未知类型:{'options': ['[tex=2.214x1.214]dXhHaA8u1auK10azD70KMQ==[/tex]', '[tex=1.071x1.0]mZCz+RzOKOkUJhc2u1ywCw==[/tex]', '[tex=3.143x1.357]UWFvwdABiqgMw1xawTjYqg==[/tex]', '石墨'], 'type': 102}
- [tex=8.429x2.857]QFdSgPtZeb4vss+fgMHYaoSHzEWw/2UlNe9qnJJgrI74FX8HWgZv9HRjPF77eNHbg6za3Ica93ODQTP7Mc6gcA==[/tex]则 [tex=3.143x1.357]KiwcT6mwR4irA4J3mE3lAg==[/tex] 未知类型:{'options': ['0', '-1', '2', '[tex=0.714x2.0]VTrdua9N5EDHg65xKeLgBTM97XTe+DYBUh6qrSwzUmk=[/tex]'], 'type': 102}
- [tex=5.0x1.571]MqOfsQLAB/zeVSdv1WggGEBR/QFOVnXfRHI4LGW6kKErAiyBMCREOzy7eLxA5+Hj[/tex] 未知类型:{'options': ['0', '[tex=0.786x2.357]IwJCUxQJz+qfVDVP2eUlNg==[/tex]', '1', '3'], 'type': 102}
- 三角函数中,arctan(1/2)+arctan(1/3)= 未知类型:{'options': ['[tex=1.643x1.286]fwX8AjZrF/5vZqosXorlHg==[/tex]', '[tex=1.571x1.286]9Zv3MpF1HW1lHsdhmYl4gQ==[/tex]', '[tex=0.643x1.286]USGVpa36zb6HMu8k0moHJA==[/tex]', '[tex=1.143x1.286]MG2u3jYKRRGfnjGR+VhW1w==[/tex]'], 'type': 102}
内容
- 0
能产生正弦波振荡的必要条件是() [br][/br] 未知类型:{'options': ['[tex=4.071x1.5]ZHMXiER8ZaDxxsVT/bVH3+lsP/UBZFV5rlr3gMkTWAo=[/tex]', '[tex=3.786x1.5]X/dAPQG629Xxhzt6x5zsxXQwhBAICzqMGDmsrceVcnk=[/tex]', '[tex=3.786x1.5]X/dAPQG629Xxhzt6x5zsxUy/rK6N2R3d20utEgygqgQ=[/tex]', '[tex=6.214x1.5]4p1ea1IYayd4Z8XNUjoBPD5L7ZWp5rKrXhXmNG5YIgo=[/tex]'], 'type': 102}
- 1
设I(x):x是整数;N(x):x是负数;S(x,y):y是x的平方命题“任何整数的平方非负”可表示为谓词公式 未知类型:{'options': ['[tex=11.929x1.357]Ab8zVcSaawMRd84sw7i/JAhyPtafOzIiYwAO+plGfU5YAO/QV3YAB0GXAXRhZ7CliwQzjDdB7FbEZsDooWfNcKY5XHTFYR6Idofr8S7Wax4=[/tex]', '[tex=11.214x1.357]Vs8Vcw/zPN7kvQW5F7NycC9PlK+v4vkWJ4hyjFXkOftd5yicp99G5Tnp+KzILEwlHDVGwqo5md6rK5TfGKT6pg==[/tex]', '[tex=11.214x1.357]Ab8zVcSaawMRd84sw7i/JPLc5lkPb0vCB3HAoQdCvLgUiouuuSbyQIQ62rJKADX6FQeTBBqnQa6q/6Qzw2KRYw==[/tex]', '[tex=10.929x1.357]mX5PRaABESRf9QDOAojNZuqee9gfCLdnz+se+AlyZp5SHDOcNaBoGKl0MgSjkAb89Uw7a1sL8h1OT0gFb59yAg==[/tex]'], 'type': 102}
- 2
298K时各为1 mol的下列物质中熵值最小的是. 未知类型:{'options': ['[tex=2.429x1.357]QSfZahJpIB6D77P2ioW3Jj09QfJh8us7KLgio3ZsM0Y=[/tex]', '[tex=2.429x1.357]gbQ6FG0jMMLEBb1JRQERQhCqTDIMnbe0y8FOQZwfTNM=[/tex]', '[tex=3.214x1.357]GewxvUvSyBP1iMJtGQ6fXoImsqzR7CbfBVZYoCI73+nuEyt16Bf8yOeCRtlTneEk[/tex]', '[tex=3.071x1.357]GewxvUvSyBP1iMJtGQ6fXoImsqzR7CbfBVZYoCI73+m5CK3n0hNFjWNH108hY0Ws[/tex]'], 'type': 102}
- 3
有矩阵[tex=6.571x1.214]sqLLu2V/hj+no1q38brCPZkAUGdZb4uSlq91YdxF8HDN1pAzEkwRILIzUCkx1zPTu2hgMNLW2ffxk6jK4RYsNg==[/tex], 下列矩阵运算可行的是 未知类型:{'options': ['[tex=1.5x1.0]toLnkjR9gJhYNyinrIIBlQ==[/tex]', '[tex=2.357x1.286]CV5IHDzl71rjlr9NcRxgrg==[/tex]', '[tex=2.286x1.0]cUQSroPxPbeMVJP9YzTsJg==[/tex]', '[tex=3.786x1.143]FL89jbXp14s/x/jmiztXdw==[/tex]'], 'type': 102}
- 4
以下药物的常用剂量:[tex=1.929x1.0]k5gX5ax4U+yFz/Dh2PzmKQ==[/tex] 未知类型:{'options': ['0. 3 ~0. 5[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '10 ~ 20[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '20 ~30[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '1 ~ 2[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]', '50 ~ 80[tex=4.786x1.357]ojlN64kloh132O3D0U7jHloopK+6nphEfv9+E1mqdHo=[/tex]'], 'type': 102}