在口语中,选择疑问句的语调应是第一个选择项读升调、第二个选择项读降调。
More examples: Is it by the father or the son? 这是父亲写的还是儿子写的? Would you like coffee, tea or soda? 你想喝咖啡、茶还是苏打水? Should I call or email you? 我应该给你打电话还是发电子邮件?