主页
学科
搜索
账户
常见问题
当前学科:艾滋病性病防治
题目:
单选
艾滋病的英文缩写是:()
A . AIDS
B . HIV
C . HAV
D . HDV
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
锚杆支护设计应遵循以下几步()、初始设计、()、信息反馈和修改、完善设计。
当菜单项后有()表示选择该项将出现对话框。
液体材料燃烧,适宜采用()灭火。
锅炉用止回阀按结构可分为()。
棋盘上总共有()个交叉点。
航路天气预报通常在起飞前几小时,由飞航站气象台向机组提供()
本线路非全相过程中再发生故障保护装置仍然有选择性。
上岗前必须经过(),考试合格方可进岗工作。
寻求市场覆盖,让各品牌的目标消费者方便地买到烟,这是卷烟货源投放的()。
Many of the activities performed during the preliminary investigation are still being conducted in(1),but in much greater depth than before. During this phase, the analyst must become fully aware of the(2)and must develop enough knowledge about the(3)and the existing systems to enable an effective solution to be proposed and implemented. Besides the(4)for process and data of current system, the deliverable from this phase also includes the(5)for the proposed system.