单选题What’s the function of the last four paragraphs in the passage?A To illustrate a problem with examples.B To provide tips for solving a problem.C To indicate the results of a problem.D To reveal the causes of a problem.
题目
单选题
What’s the function of the last four paragraphs in the passage?
A
To illustrate a problem with examples.
B
To provide tips for solving a problem.
C
To indicate the results of a problem.
D
To reveal the causes of a problem.