被称为“DNA之父”的是哪位科学家？
被称为“DNA之父”的是哪位科学家？
A.桑格（Frederick Sanger）
B.沃森（James Waston）
C.摩尔根（Thomas H. Morgen）
D.克里克（Francis Crick）
E.查加夫（Erwin Chargaff）
正确答案：沃森（James Waston）
- 1.Which is NOT the possible activity that Chinese healthcare consumers usually do on the Internet?
- 2.The long-term solution to world hunger may lie in economic,（）, and political reform efforts.
- 3.The environmental factors such as hazardous waste disposal, overpopulation, and smog are always related to health problems. People who are（）tend to be at most risk for these problems.
- 4.In the natural or social science arena, risk is often viewed as an index of the（）and the chances it will adversely affect people or the environment.
- 5.Risk communication involves creating shared understanding about uncertain loss or danger, which involves disseminating information and engaging in interactive discussions about how people（）and how they feel about risk messages.
- 6.A large portion of the populations in the world are at risk for various health problems due to poverty, age, race, hunger,（）, insanitary environmental conditions, and lack of access to appropriate health-care.
- 7.In the field of Communication, the crisis situations related may have the following features: 1）Uncertainty; 2）Intense Emotion; 3）（）; 4）Time is of the Essence; 5）Communication of Appropriate and Effective Strategic Message（s）is Urgent.
- 8.Specifically, when risk communication are dealing with issues related to health risk information and preparation strategies, it will always concern about the following topics: 1）Agriculture Food; 2）Lack of Water Pollution; 3）（）; 4）Mental health and genera
- 9.In 1988, Roger Kasperson and his associates developed（）to study risk perception issues. This framework can well explain how social and communicative institutions and processes dramatize some disasters while minimizing others.
- 10.Risk communication always concentrates on social theories related to risk perception and（）.