老年心力衰竭发病前心脏常存在的增龄性变化有（） A.心脏间质纤维组织增生 B.主动脉

单词拼写。

根据下列各句句意和空白之后的汉语提示词，在横线上写出对应单词的正确形式，每空只写一词。

1. We all hope those who are_______(遭受) from this disaster will be safe.

2. I am glad to accept your kind ________(邀请).

3. We should have a positive ________(态度) towards life.

4. We congratulated him ________(真诚地) on his success.

5. Price and _______(质量) are the two chief considerations for most of consumers.

6. The civilization of _______(古老的) Greece is famous in the world.

7. He is quite ________(熟悉) with this country because he has been here for ten years.

8. I burst into _______(笑声) when my brother walked in wearing his funny clothes.

9. The plane caused a ________(革命) in our way of traveling.

10. The only step between dream and _______(现实) is action!

黄疸伴右上腹部阵发性绞痛（）

A.急性肝炎

B.急性胆管炎

C.胆总管癌

D.肝硬化门脉高压

E.胆道蛔虫病

生态死亡率

数据库管理系统提供用户对数据的操纵功能，实现对数据库数据的检索、插入、修改和删除，这属于数据库管理系统的基本功能中的______。

处置固定资产的现金流入，应该属于经营活动的现金流量。 ( )