如何理解百合病"百脉一宗，悉致其病"？

用所给单词的适当形式填空。

1. They are going _______ (jog) now.

2. He has put on_______ ( weigh) after he was over 40  years old.

3. After_______ (retire) , my grandfather wants to travel  around the world.

4. The young_______ ( couple) decided to start their tourimmediately.

5. You are _______ ( sure) wrong. You have made a mis-take.

精耕细作是我国古代农业生产的主要模式。推动这一模式形成发展的是

①耕作工具不断改进 ②生产组织的小型化 ③水利设施逐渐完善 ④土地兼并日趋加剧

A．①②③

B．②③④

C．①③④

D．①②④

(b) Calculate the tax payable by/refundable to Mr Cyrus Banaji for the relevant tax year. (4 marks)

胞宫的生理功能是：

A．定时藏泻
B．主月经和生理带下
C．主月经、分娩胎儿、排出恶露
D．似脏似腑、藏泻有时
E．主月经和胎孕

矿用汽车转向系统中设置限流阀，以解决限流问题。