When the Internet connection is less than 1 , people very quickly 2 it is the fault of the server. However, in many cases, if they just made a 3 to install a firewall or an anti-virus program, they wo

公告：维护QQ群：833371870，欢迎加入！
公告：维护QQ群：833371870，欢迎加入！
公告：维护QQ群：833371870，欢迎加入！

2021-04-14 问题

When the Internet connection is less than 1 , people very quickly 2 it is the fault of the server. However, in many cases, if they just made a 3 to install a firewall or an anti-virus program, they wo

2021-04-14 问题

【单选题】お与を的罗马读音? A. wo,o B. o,wo C. wa,wo D. wo,wa

2022-05-27 问题

《梦溪笔谈》一共包括()则笔记。 A: 409 B: 509 C: 609 D: 709

2021-04-14 问题

WO战略是指

2021-04-14 问题

【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2

2022-06-01 问题

一空气平行板电容器，充电后把电源断开，这时电容器中储存的能量为Wo，然后在两极板之间充满相对介电常数为εr的各向同性均匀电介质，则该电容器中储存的能量W为( ) A: W= εr Wo B: W=Wo/εr C: W=(1+ εr)Wo D: W＝Wo

一空气平行板电容器，充电后把电源断开，这时电容器中储存的能量为Wo，然后在两极板之间充满相对介电常数为εr的各向同性均匀电介质，则该电容器中储存的能量W为( ) A: W= εr Wo B: W=Wo/εr C: W=(1+ εr)Wo D: W＝Wo

2022-06-01 问题

求定积分[img=179x43]17da65388c0b1ca.png[/img]；（） A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2

求定积分[img=179x43]17da65388c0b1ca.png[/img]；（） A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2

2021-04-14 问题