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  3. 21 After they kill germs, antibodies stay in the body.A Right B Wrong C Not me

21 After they kill germs, antibodies stay in the body.A Right B Wrong C Not me

admin2020-12-24  39
问题
21 After they kill germs, antibodies stay in the body.
选项 A Right
B Wrong
C Not mentioned
答案A
解析倒数第二段倒数第三句就说到“致病菌被消灭以后，抗体仍存在体内”。
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