题目

阅读下面的短文，并根据短文后的要求答题（请注意问题后的字数要求）。 A mobile phone service which makes your handset scream when it’s been stolen has been started, with its makers claiming it could put an end to mobile theft altogether. The Remote XT system uses software to link customers’ mobile phones directly to a secure remote server, which stores all their data from phone numbers to text messages and e-mails. If the owner’s phone is lost or stolen, they can dial a 24-hour call centre and have it registered. The handset is then disabled, and cannoMany of his finest pictures are ______(悬挂) in the national museum.