Directions:
You will hear three pieces of recorded material. While listening, answer each question by choosing A, B, C or D. You will hear each piece once only.
Questions 11—13 are based on the following talk about cloning. You now have 15 seconds to read Questions 11—13. What’s the big breakthrough with Dolly, the first cloned animal
A．It makes a clone from an ordinary, adult cell. B．It makes the first normal and healthy cloned animal. C．It paves the way to the cloning of human beings. D．It makes a cloned animal with only mother.