What do you know about this technology? Complete the phrases in column A with information column B.(More than one answer is possible.) Column A 1.Satellites are used 1 . 2.Robots are sometimes used 2 . 3.You can use a cell phone 3 . 4.People use the Internet 4 . 5.DNA fingerprinting is used 5 . Column B study the world's weather perform dangerous tasks read the latest weather report transmit telephone calls send text messages identify criminals store an encyclopedia 例:e.g. CD-ROMs are used to store an encyclopedia. Satellites are used for storing an encyclopedia.