下列化合物晶体中既存在离子键, 又有共价键的是
未知类型:{'options': ['[tex=2.786x1.0]fAb4FpUCsaTvk2oI8CN7tg==[/tex]', '[tex=2.214x1.214]mlUO0KiaWyEaLhJl/oKn4WWDVI2RKgoD+tE3vz5Ybgw=[/tex]', '[tex=3.286x1.214]mlUO0KiaWyEaLhJl/oKn4Q2xpfFVpXcTcFNUvigwHmAXuSJc1SbJRiT12ptX9tpK[/tex]', '[tex=2.571x1.214]NmewZGGcjEw+oQmRJzXQN1+uEirGXT+K388fwlcv4LY=[/tex]', '[tex=2.214x1.214]axYiQ0hK/fJde0R2wiOEZw==[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=2.786x1.0]fAb4FpUCsaTvk2oI8CN7tg==[/tex]', '[tex=2.214x1.214]mlUO0KiaWyEaLhJl/oKn4WWDVI2RKgoD+tE3vz5Ybgw=[/tex]', '[tex=3.286x1.214]mlUO0KiaWyEaLhJl/oKn4Q2xpfFVpXcTcFNUvigwHmAXuSJc1SbJRiT12ptX9tpK[/tex]', '[tex=2.571x1.214]NmewZGGcjEw+oQmRJzXQN1+uEirGXT+K388fwlcv4LY=[/tex]', '[tex=2.214x1.214]axYiQ0hK/fJde0R2wiOEZw==[/tex]'], 'type': 102}
举一反三
- [tex=2.214x1.0]Z8GWW72u+MH/mjafnp+83A==[/tex]丙酮酸经过丙酮酸脱氢酶系和柠檬酸循环产生[tex=4.0x1.214]EPDWVFNjIR8daNoozaWRDg==[/tex],生成的[tex=3.214x1.0]1AqDCKqjaAug6buHS5Z0tQ==[/tex]、[tex=3.429x1.214]HYAn2+I9AZQLWcA3ajoPaw==[/tex]和[tex=2.143x1.0]qQANfGnLx7pE5mcaEibuNg==[/tex](或[tex=2.071x1.0]YGdeb/NAM7yg+XY6SY16Fg==[/tex])的摩尔比是( )。 未知类型:{'options': ['3:2:0', '4:2:1', '4:1:1', '3:1:1', '2: 2:2'], 'type': 102}
- 芒硝提净后主要成分是 未知类型:{'options': ['[tex=3.286x1.214]mlUO0KiaWyEaLhJl/oKn4Q2xpfFVpXcTcFNUvigwHmAXuSJc1SbJRiT12ptX9tpK[/tex]', '[tex=4.571x1.214]mlUO0KiaWyEaLhJl/oKn4Q2xpfFVpXcTcFNUvigwHmDgvn8uVL6JL1ffYy6GbdpZ[/tex][tex=1.929x1.214]GewxvUvSyBP1iMJtGQ6fXtJiyrZ4p4c0Id0rQ+jARIo=[/tex]', '[tex=2.286x1.0]5612EONE3x+kbGb++mhxyg==[/tex]', '[tex=2.857x1.214]lFRNiGkXnfUW6M0xQfejMrAtR8kmdU5fXxLlRSxJHt0=[/tex]'], 'type': 102}
- 下列方程中是一阶微分方程的是[input=type:blank,size:4][/input]. 未知类型:{'options': ['[tex=8.0x1.571]SnLzj4UlSfnGqNtEzxfZSuZwslGsWxsvP2Y+yf7H578Vefe1Ol/nJT135DjkdnSNNikL3arAj80BjvPHaHCDiA==[/tex]', '[tex=10.571x1.571]JR4yrHJRIZfJXwhFSObwrfajFnWUvXzM/YiA3M6aDKuVBZ8I+7v5iXTXdA3E6Rm4vOE2BCfPwFP2rmRygXKEUDk1qLsNDCJ2p8GEbfCSr2s=[/tex]', '[tex=5.643x1.357]m0sKckxx+jZ9iltApBtB23TBISIOx/g0judcsS+akNFZrUNCq3g+BIVQwGbQEh/C[/tex]', '$y^{(4)}+5 y^{\\prime}-\\cos x=0$'], '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}
- 对于以下两种情形:(1)x为自变量,(2)x为中间变量,求函数[tex=2.214x1.214]sy9gaFRMGlrH59gm9bWSDg==[/tex]的[tex=1.5x1.429]5W5tOYbJ+LlsRP2dMsi4byxwtjvvL/3u7NEzPV5PWp0=[/tex]