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

admin2020-12-24 51

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'

转载请注明原文地址:https://ti.zuoweng.com/ti/igEQKKKQ

相关试题推荐

随机试题