Even and Tirosh在对33名以色列数学教师调查时发现,教师对”为何4÷0无意义“的解释是()。
A、A.不存在
B、B.一种规定
C、C.考试不考
D、D.不解释
A、A.不存在
B、B.一种规定
C、C.考试不考
D、D.不解释
A、she needs provisions and bunkers immediately after berthing B、even she will berth here the vessel does not need any provisions and bunkers C、she will take provisions and bunkers at other berth D、she needs no provisions and bunkers even after berthing
A、“And1=1”配合“and1=2”常用来判断url中是否存在注入漏洞 B、and exists(select*from表名)常用来猜解表名 C、and exists(select字段名from表明)常用来猜解数据库表的字段名称 D、猜解表名和字段名,需要运气,但只要猜解出了数据库的表名和字段名,里面的内容就100%能够猜解到
A、Compilation fails. B、 “odd” will always be output. C、 “even” will always be output. D、 “odd” will be output for odd values of x, and “even” for even values. E、 “even” will be output for add values of x, and “odd” for even values.
A、IP address 10.10.10.1 and TCP port 8080 B、IP address 71.33.252.17 and TCP port 80 C、IP address 71.33.251.19 and TCP port 80 D、IP address 71.33.252.19 and TCP port 8080