[填空题]E-mail
Imagine being able to send a letter to someone, anywhere in the world, that included pictures and sounds as well as written words, and not even have to put a stamp on it. With e-mail you can do just that. E-mail allows you to send messages quickly and easily to other people using computers rather than the postal service. To the Internet user, the ordinary post is known as "snail mail" because it is so much slower than e-mail, which can deliver its message to the other side of the world in seconds.
In some ways, e-mail is like a cross between a letter and a telephone call. You type a note or a letter on your screen and then you send it down the telephone line to another person for as little as it costs you to call your service provider. Whether your message is going to Calgary in Canada or to Copenhagen in Denmark, it will cost the same. You can even attach a file from your computer, whether it be a sound, an image or a text, to your e-mail m

最新试题

• ●    [单选题]（）不停电更换电能表时，直接接入的电能表应将出线负荷断开，应有防止相间短路、相对地短路、电
• ●    [单选题]原发性闭经患者雌孕激素试验均为阴性其病变部位可能发生在下列哪一项()
• ●    [单选题]机构箱内加热器安装位置可靠，对周边二次线、电缆等物件，无影响，防止加热器启用后造成电缆、二
• ●    [单选题]关于带电作业，错误表述有？
• ●    [多选题]热像仪用于黑暗、浓烟条件下(　　)。
• ●    [单选题]“两个维护”的内涵是特定的.统一的,全党看齐只能向党中央看齐,不能在部门打着维护党中央权威