【单选题】Long Conversation 1 Questions 10 is based on the conversation you have just heard.
A.
To learn how to prevent a bone disease.
B.
To understand differences between bone tissue and other tissue.
C.
To find out how specialized bone cells have evolved.
D.
To create artificial bone tissue.
【单选题】Questions 12 to 15 are based on the conversation you have just heard .
A.
Lower the tax for companies that employ young people.
B.
Maintain sustainable economic development.
C.
Promote programs that encourage training.
【单选题】Questions 8 to 11 are based on the conversation you have just heard.
A.
They can develop into human organ.
B.
They are able to cure cancer.
C.
They help to recreate stem cells.
D.
They are able to create new DN
【简答题】谈谈你是如何读新闻的,存在什么问题或缺点。