2019年12月英语四级真题与答案解析(第一套)
来源 :中华考试网 2019-12-17
中卷一46-50:AI助手
46: B It is a course designed for students to learn online.
47: C Students'questions were unsatisfied weith the assistants 48: A She turned out to be a great success
49: D They could not tell her from a real person
50: C Assign her to answer more of students'questions
51-55:科学筹款
51: C Not all of them achieved their anticipated goals
52: B To identify reasons for their different outcomes
53: B Its interaction with prospective donors
54: A They should be small to be successful
55: D Thcir fccling of conncction to the scientists themselves