题目内容
（请给出正确答案）
[主观题]
听力原文：Now, text messaging is increasingly being used by UK hospitals to remind patients
about outpatient appointments — and could potentially save the Nati6nal Health Service millions of pounds every year. Ealing Hospital in West London sends 20 texts per day, reminding the patients in advance of the date and time of their appointment. Before using the text messaging system, the hospital relied solely on sending patients a letter as a reminder.
Instead of sending patients a letter as a reminder, now most UK hospitals use short messages to remind the patients of appointments.
A．正确
B．错误
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