The following is a poster. After reading it, you will find 3 questions or unfinished statements, numbered 45 to 47. For each question or statement, there are 4 choices marked A), B), C) and D). You should make the correct choice 1. How long does the docent training program last? A) Four weeks B) Six weeks C) Eight weeks D) Ten weeks 2. To apply for the program, you should ______. A) first download an application form B) be good at working with animals C) be an experienced public speaker D) first pay a visit to the lab 3. To attend the program, you must be at least__________. A) 14 years old B) 16 years old C) 18 years old D) 20 years old