A:
B:
C:
D:
举一反三
- 下列电子分布属于激发态的是( )。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/81ae45d9bae64d52b1536457514518b5.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/63d505d34b5d439f8106b60f8c554f13.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/1acc5dd06db846b0b4d24bb7da1222db.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/48001e23a0004fd0abda873af7d8e943.png" />
- 以下哪个不是波兰国旗？（） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/3e56534d2a9245bd96ae3e551321035e.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/f5112a85457e41f5a909e00dc9d3043a.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/7c21067303c044f98a841c4f5f4b8d61.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/0ede615d89834d17bde3b47b2acbf0d6.png">
- 下列混合溶液，属于缓冲溶液的是( ) A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/413dde4a50bc4879b3f05933c4333509.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/c18a15cd6f73457a9599b67d38591f3a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/3a623242f78047598682322d44b59454.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/e85a62f542f34bcc80e9ee664fec7caa.png" />
- 配制pH≈7的缓冲溶液，应选择( ) A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/f91db91d906d4648a281e7e2414fecf4.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/d788ac460faf40348a1c3ad467417dd9.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/10b2abc3968d46fd8a7e9c276d6f0b19.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/cf120ba897744b3b9684f0365ded361e.png" />
- 下列离子—电子法配平下列离子（或分子）方程式正确的是( ) A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/4a976fd339b4437295896245c342a78f.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/af3bc7cb0641443e99871350d0659c21.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/a1efcc0ab3914e56a2be013ff2cbca08.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/f9f0650396e448468408085e41e1510c.png" />
内容
- 0
下列有关权及其单位权的说法错误的是（） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/3b610343e75041a5b85fa9759bb6c34f.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/14a2c2de37654395a5091690389dc05b.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/066e4db2d5224650a64891160cc8feb4.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/483474eb34d84fa2b9bb41998d4a680d.png">
- 1
非理想信道条件下，最佳接收滤波器的传输特性由（）组成。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/b70b7ec288944c2a85ae2ca0ca797e88.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/18dedb4462044000a8a26dfa1455d8f0.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/4aa82d1d8cc84f15999cac1d0086ab0b.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/b83ae4843b554c498f27c84fe3fc98dd.png" />
- 2
非理想信道条件下，最佳接收滤波器的传输特性由（）组成。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/b70b7ec288944c2a85ae2ca0ca797e88.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/b83ae4843b554c498f27c84fe3fc98dd.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/4aa82d1d8cc84f15999cac1d0086ab0b.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/18dedb4462044000a8a26dfa1455d8f0.png" />
- 3
请问以下作品中，属于法国艺术家亨利·卢梭的作品有哪些？ A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/b17bae179a0345c98d97bf9059618107.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/0c08687531e04db79337df45b4e6bd1c.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/14e7d9e85a6a4090aedafaa4d4b63ea0.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/b8fb125ba0cb44afaf9f064b1bdf1c93.png" />
- 4
已知一阶RL电路中电感电流iL的变化规律表达式为 <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/37c44f3991d041528a8cd80c07b5b1ea.png" />，下列电流比iL变化更快的是（ ）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/c459947b35ce44219e6aee932d72abbf.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/68407a41430f4a7784aa11a552357ca6.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/a6cf0f4621cf4e2eb5629275de55b9e7.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202007/40bc99acbbe743c5a40b65765eb5aaf7.png" />