题目内容：
Immunization helps to_________.参考答案：
答案解析：
单选题：Immunization helps to_________.
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- 题目类型：单选题
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The word "sycophancy" in the second paragraph means
The word "sycophancy" in the second paragraph meansA． slande B． calumn C． fam D．
根据以下资料，回答题。Paragraph 2 __________．
根据以下资料，回答题。Paragraph 2 __________．
It was an unfavorable weather for flying an aeroplane but Ha
It was an unfavorable weather for flying an aeroplane but Hamel displayed excell
In E. J. Masicampo and Roy Baumeister's study, about _______
In E. J. Masicampo and Roy Baumeister's study, about __________ students who rec
Graham-White carried in the aeroplane letters and postcards
Graham-White carried in the aeroplane letters and postcards that later became sp