中国大学MOOC: Smallpox can be effectively prevented by _______.
中国大学MOOC: Smallpox can be effectively prevented by _______.
Smallpox can be effectively prevented by _______. A: vaccines B: penicillin C: antibiotics D: vitamines
Smallpox can be effectively prevented by _______. A: vaccines B: penicillin C: antibiotics D: vitamines
______ has been ended worldwide. A: Polio B: Measles C: Rubella D: Smallpox
______ has been ended worldwide. A: Polio B: Measles C: Rubella D: Smallpox
The WHO provides leadership for targeted global health initiatives such as the successful campaign which led to the elimination of smallpox _________.
The WHO provides leadership for targeted global health initiatives such as the successful campaign which led to the elimination of smallpox _________.
The first infectious disease that has been eradicated is ( ). A: Measles B: Poliomyelitis C: Smallpox D: Chickenpox
The first infectious disease that has been eradicated is ( ). A: Measles B: Poliomyelitis C: Smallpox D: Chickenpox
The first successful vaccine was against ____ A: Cowpox B: Smallpox C: Fowl cholera D: Anthrax E: Rabies
The first successful vaccine was against ____ A: Cowpox B: Smallpox C: Fowl cholera D: Anthrax E: Rabies
1. Which is the first vaccine? A: Smallpox vaccine B: Measles vaccine C: mumps vaccine D: Rubella vaccine
1. Which is the first vaccine? A: Smallpox vaccine B: Measles vaccine C: mumps vaccine D: Rubella vaccine
The fear of smallpox, which terrorized the eighteenth century, has no analogy today. A: occurrence B: remnants C: witnesses D: parallel
The fear of smallpox, which terrorized the eighteenth century, has no analogy today. A: occurrence B: remnants C: witnesses D: parallel
中国大学MOOC: Today, smallpox, polio, typhoid and measles are no longer common because most people have been protected by _______.
中国大学MOOC: Today, smallpox, polio, typhoid and measles are no longer common because most people have been protected by _______.
2020年2月11日，世界卫生组织总干事谭德塞在瑞士日内瓦宣布，将新型冠状病毒感染的肺炎命名为“（)－19”。 A: A.Smallpox B: B.PLAGUE C: C.COVID D: D.HIV
2020年2月11日，世界卫生组织总干事谭德塞在瑞士日内瓦宣布，将新型冠状病毒感染的肺炎命名为“（)－19”。 A: A.Smallpox B: B.PLAGUE C: C.COVID D: D.HIV