面向数据流的软件设计方法,一般是把数据流图中的数据流划分为交换流和 【8】 流。
参考答案:事务
改错。
1. Kate was putting on that red coat from Tuesday to Wednesday. ______
2. He has bought a new bike for a week. ______
3. His father has come to this school since 1992. ______
4. How long has he joined the army? ______
5. He went back until the film was over. ______
6. When he got up this morning, the sun has risen high. ______
7. Jim has gone for two hours. ______
8. His father has died since two years ago. ______
9. She has got up for two hours. ______
10. While I got to the station, the train had left. ______
药学基础研究是以发现药学领域的自然规律和发展药学科学理论为目的的研究,是技术知识和探索领域的创造性活动,近年在重大疾病防治药物作用机制与新靶点等领域的研究取得了大量的进展。
神经精神系统疾病方面的药学基础研究进展不包括()
A.孤儿受体的发现
B.一氧化氮具有信号传递的特性
C.乙酰胆碱酯酶具有信号传递和介导其他非胆碱能神经元的特性
D.血管生成抑制剂的发现
E.一氧化氮具有介导其他非胆碱能神经元的特性