这件爵是商代早期的。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/e222361dc8e44f62a0c5e43cb74fa89e.png
举一反三
- 两个半电池，电极相同，电解质溶液中的物质也相同，都可以进行电极反应，但溶液的浓度不同，它们组成电池的电动势（ ）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f2f01c0309534cb38bde4ef3b901fac0.png" />=0，E≠0 B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/5a59bbfbb5b24a67b2169ff0c6d5eba5.png" />≠0，E=0 C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/e545155d24d1463f8c514df5d3ade474.png" />≠0，E≠0 D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3f58796eb6e845fca09f6a16272e0b23.png" />=0，E=0
- 某反应在标准态和等温等压条件下，在任何温度都能自发进行的条件是（ ）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/63c6a7b5b3114c1095cb68d96ebd27ec.png" />< 0，<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d11dd437fcbe440d886e25a9a04f2c0e.png" />> 0 B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/63c6a7b5b3114c1095cb68d96ebd27ec.png" />> 0，<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d11dd437fcbe440d886e25a9a04f2c0e.png" />> 0 C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/63c6a7b5b3114c1095cb68d96ebd27ec.png" />> 0，<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d11dd437fcbe440d886e25a9a04f2c0e.png" />< 0 D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/63c6a7b5b3114c1095cb68d96ebd27ec.png" />< 0，<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d11dd437fcbe440d886e25a9a04f2c0e.png" />< 0
- 如图所示电路的逻辑表达式F=（ ）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8655693a417e4e43a32e0732ed533c96.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/beda73211aea49f082d9137fd4eb0526.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7388c99ee0824f20bcf85893934a2f6a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/9a5c81e78b344c79a9389e932a7f55ce.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/82193a9a030243728012b02e15718987.png" />
- 这件青铜器是青铜爵。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/5c66962379a84c4bab723719bf22fa5d.png
- 无限长直导线在P处弯成半径为R的圆，当通以电流I时，则在圆心O点的磁感强度大小等于<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/247132caa86643248801a9ce73153643.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d6ca935b43b5409982580c397b20452a.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/05df5ede8d854c86adb4aa49ab7d213a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/fd586a02dd0d48d2a9d8451722bd0cc8.png" /> D: 0 E: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/5b15cee769754f5b8d999d9c5bb28961.png" />