题目详情
单选题 Which of the following methods is better to solve the vaccination gap in the world?
A. Developed countries need to sell theri vaccines to the developing countries
B. Vaccine producing companies need to produce vaccines in the developing countries
C. Developing countries need to be supported in the amount as well as the prices of vaccines
D. Multilateral financial institutions need to support developed countries in vaccination products

学科:医学综合英语
时间:2023-11-27 10:40:32
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