22 Vaccines can make you sick.A Right B Wrong C Not mentioned

admin2020-12-24 61

问题

22 Vaccines can make you sick.

选项 A Right
B Wrong
C Not mentioned

答案B

解析最后一段的后半部分说的是“疫苗是药物，其所含的死菌只能帮助产生抗体，而不会致病'

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