献血记录的准确使用对以下哪几点非常重要（）。
A.献血者
B.输血者
C.医务人员
D.发展自愿无偿献血队伍
参考答案：A, B, D
用when, where, why填空。
1. I will never forget the day ______ I joined the army.
2. This is the factory ______ my father worked 30 years ago.
3. A birthday is the date ______ one was born.
4. Do you know the reason ______ no one questioned Aristotle's theory then?
游戏的故事是如何创建的？
