《国语·论语》中说：“公食贡，大夫食邑，士食田，庶人食力，工商食官。”该材料说明西周

窗体是数据库中用户和应用程序之间的______，用户对数据库的任何操作都可以通过它来完成。

根据对话内容，在横线处填入正确的单词，使对话完整。

A: What are you doing, Bill?

B: We are raising money for "Helping Future Project".

A: I have __1__ heard about it before. What is it about?

B: It is aimed to help poor and homeless kids in different parts of the world.

A: What a great charity! I also want to __2__ some money.

B: Really? All poor and homeless kids will be thankful to you for your __3__.

A: But I'm __4__ I can't donate too much. You know, I'm just a student and I don't have much money. I

    can only donate 200 yuan.

B: That's __5__. A sincere heart is the most important. Thank you very much.

为防止肿瘤患者化学治疗的副作用，应做到()

A．某些刺激性强的化学治疗药物不可漏出血管外

B．抗肿瘤药漏出血管时，应热敷，帮助消散

C．定期查血常规，以了解有无骨髓抑制现象

D．若出现胃肠反应，可用巴比妥、冬眠灵、灭吐灵等药物减轻反应

E．患者出现脱发现象，应立即停药

电控发动机水温传感器损坏，将造成起动困难。

软骨鱼类的心脏由（）四部分组成。