Write a script. to reverse (interchange 1 with 0) the n-th bit of a m-bit binary number.

[主观题]Write a script. in PHP and Javascript. to accept two textarea's, slot and alternative by the name.+ slot can contain many a lines, each line includes many words and is ended by a number+ the chars in the slot can only be either alpha-numeric chars o

[主观题]写出一个正则表达式，过虑网页上的所有 JS/VBS 脚本（即把 script. 标记及其内容都去掉）：（）。

[名词解释] 英译中：Interchange terminal

[单选题]［A］ exchange ［B］ interchange ［C］ encounter ［D］ interact

[单选题]Reverse distribution is the part of （）A . From sellers to buyersB . From buyers to sellersC . From outside to inside of any companyD . From wholesalers to retailers

[单选题]In order to reverse the rotation of a two-stroke/cycle loop scavenged, direct reversing, propulsion diesel engine, the cam positions must be changed for the （）.A . starting air and fuel pumpsB . piston cooling pumpsC . exhaust valvesD . all of the ab

[单选题]The only way to reverse the worsening situation seems to be[ A] a policy of gradualism.[ B] sacrifice of public interests.[ C] radical changes of policy.[ D] postponing of drastic actions.

[单选题]What is the same meaning of reverse distribution? （）A . SalesB . Sales and logisticsC . Returned logisticsD . Back and forth

[名词解释] GIF（Graphics Interchange Format）图形交换格式

[名词解释] 电子数据交换 electronic data interchange (EDI)