题目内容
I’m immune_______ smallpox as a result of vaccination(疫苗).
A. to B. at
C. with C. on
答案:A
解析:
解析:
“be immune to/ against sth.”意为“对……有免疫能力”。
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题目内容
I’m immune_______ smallpox as a result of vaccination(疫苗).
A. to B. at
C. with C. on
“be immune to/ against sth.”意为“对……有免疫能力”。
|