阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Welcome to Our Free Course—Share Your Research
After you attend college, there are many times when you need to do research. This is where you need to learn how to share your research. So please attend our course and we'll help you a lot!
Share Your Research is a FREE 5week course that will guide you through the steps of creating and delivering a good research talk!
Course Details
·Enrollment (入学) Starts→Anytime, selfpaced
·Course Starts→Anytime, selfpaced
·Effort→2 hours/week
The course includes four modules (模块) as follows：
Module 1: This module introduces to you how to decide on something basic about an effective talk such as: who the audience is, what your goals are and what your key message is. This module will also offer advice to help you discover your speaking style.
Module 2: This module presents methods to help you outline and structure your talk and attract your audience. This module will also get you started with deciding on the content of the body of your talk.
Module 3: In this module, you'll continue working on the structure and content of your talk, focusing on the introduction and ending. The module also discusses more strategies for attracting audience and choosing titles for your talk.
Module 4: This module provides tips and best practices to deliver an effective talk: from tips on practicing and receiving feedback (反馈) to tips on reducing your nervousness and dealing with the Q&A.
On average, there are seven videos per module.
When you complete the course, you will receive a printable certificate from iBiology Courses.
If you'd like to know more information about our course, please call us at 8286976313!
21．What are you required to do while taking the course?
A．Pay some money for it. B．Deliver speeches daily.
C．Spend ten hours on it. D．Create seven videos.
22．What can Module 1 help you find about your talk?
A．The speaking style. B．The appealing title.
C．The specific content. D．The questioning skills.
23．In which module can you learn to keep relaxed during your talk?
A．Module 1. B．Module 2. C．Module 3. D．Module 4.
