The data of the study may not reflect the long-term habits of the participants, thus making the results of the study somewhat questionable.
A. Right
B. Wrong
C. Not mentioned
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What technique is needed to repair the defective cells with A-D-A gene？
A. genetic engineering
B. marrow transplantation
C. radiological technique
D. cell biology
The attack on Fort Sumter near Charleston provoked a sharp response from the North, which
A. demanded
B. elicited
C. expedited
D. defied
根据原文，不属于人们使用抗生素误区的一项是()。
A. 用青霉素来预防胆囊炎
B. 感冒时用抗生素来抗病毒
C. 把几种抗生素药物同时服用
D. 抗生素成为现代家庭小药箱的必备药
在一定条件下，多种需要中会有一种最为迫切起支配作用的是()
A. 生理需要
B. 安全需要
C. 优势需要
D. 尊重需要
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