HIV感染主要导致下述哪种损害而并发严重的机会性感染和肿瘤（）
A.细胞免疫
B.体液免疫
C.非特异性免疫
D.特异性免疫
E.B淋巴细胞
参考答案：A
根据汉语意思或首字母提示.用适当的词补全句子.
1. Although it was expensive, we _____ (决定) to buy it.
2. Who _____ (发现) America first?
3. I like eating _____ (脆的) cookies. They are hard,dry and easily broken.
4. I met her by a _____ in a crowded bus.
5. A c _____ means a hundred years.
古蔡检砷法中，加醋酸铅棉花，是为了排除供试品和锌粒中（）
A.砷化物的干扰
B.氯化物的干扰
C.硫化物的干扰
D.碘化物的干扰
E.溴化物的干扰
