30.What is this passage mainly about?(A) To recruit workers. (B) To set a blind date.(C)To advertise a special event. (D)To ask for a donation.

40. According to the passage, which sentence is NOT true?(A) There will be no more paper medical records after the use of this system.(B) Only nurses are required to learn how to use this new computer system.(C) All patients need to wear wristbands.(D) The training will start from next Friday.