阅读下列短文，从每题所给的A、B、C和D四个选项中选出最佳选项。
A
STEM Tours
Innovative. Eye-opening. Inspiring.
Science, Technology, Engineering, and Math constantly reshape the communities we live in. Our STEM tours challenge students to develop imaginative solutions to global problems through critical thinking and creative expression.
Health Sciences in Great Britain
Paging the next generation of doctors, nurses, and health professionals - this tour through England and Scotland is for you. Trace the innovations that shaped Britain's modern healthcare landscape, and participate in hands-on workshops to discover how real-life medical careers operate.
Robotics, Engineering, and the Future of Cities in Japan
Home to countless organizations specializing in robotics and engineering, Japan is at the forefront of innovation in sustainability and human mobility. From high-speed superconducting magnetic （磁悬浮)trains to ASIMO the robot, see how the future of cities is closer than you think in Japan. You can take a guided tour of Tokyo with a STEM expert before visiting other Japanese cities.
Agriculture in Ireland
Get your hands dirty as you experience the farm-to-table joumney - an important part of life in Ireland- by visiting a variety of local farms around the country. Learn about organic and sustainable farming practices, the impact of climate change on traditional food production, and how each agricultural product requires specialized care.
Reef(礁)Regeneration and Conservation in Australia
As the world's largest living organism, the Great Barrier Reef is the foundation of Australia's coastal ecosystems. And Townsville, which will serve as your base of operations for this tour, is a world-famous center for scientific reef research and conservation. Conduct a field survey with koalas and snorkel(潜水)alongside the Reef.
21. Which best suits those expecting a career in medicine?
A. The tour in Great Britain. B. The tour in Japan
C. The tour in Ireland. D. The tour in Australia.
22. What does the tour in Ireland provide?
A. Healthcare workshops. B. Robot programing classes.
C. Labor experience in the fields. D.A field survey with sea lives.
23. Who is the text aimed at?
A. Artists. B. Adventurers. C. Volunteers. D. Students.
