Questions 1 to 5 are based on an interview. At the end of the conversation you will be give 10 seconds to answer each of the following five questions.
Now listen to the interview. According to the context tooth transplanting ______.

单项选择题The Enlightenment thinkers see persons as citizens of the world . That means ______.

单项选择题The main task now facing ecologists, environmental activists and conservationists is ______.

单项选择题We should— when we want to glimpse inside the sun.

单项选择题According to Asselborn, which would lay down a solid road for the lifting

单项选择题Jackie complained that nobody was doing anything to ______.