竹叶石膏汤原方中麦冬与半夏的配伍比例是（） A.1：1 B.2：1 C.3：1 D.

七、介或副词填空:

1. I need to accumulate some more information __________ my homework __________ cultural differences.

2. Thanksgiving is to do __________ celebrating the first harvest __________ the settlers from Europe went to live in the USA.

3. Should you come to Brunei, you would have to take __________ your shoes before going __________ someone’s house.

4. __________ the English language, there are many words which are borrowed __________ other languages.

5. English borrowed many Italian words linked __________ music, the art and the military, while Arabic provided English with words __________ things that could be traded.

6. The Arabs were great traders and so they introduced the English __________many new words __________ coffee and alcohol.

7. Can you give me a quick summary of what you found __________ __________ habits and customs in different countries.

8. The Inuit believe __________ animal spirits. Their jewellery is made __________ owl claws, wolf bones and bird skulls.

9. New Zealand is home __________ the Maori tribe. In the Maori meeting house you’ll meet __________ the Maoris and join in a dance called the Haka.

10. The bow and arrow competition held by Plains Indians is designed to retell how they used to hunt __________ food. Their food included buffalo that used to be roasted __________ an open fire.

下列说法正确是（　　）

A．同种元素组成的物质叫做单质

B．生成盐和水的反应叫做中和反应

C．含碳的化合物一定是有机化合物

D．碱性溶液不一定是碱溶液

用一根横截面积为S、电阻率为ρ的硬质导线做成一个半径为r的圆环，ab为圆环的一条直径。如图所示，在ab的左侧存在一个匀强磁场，磁场垂直圆环所在平面，方向如图，磁感应强度大小随时间的变化率=k（k<0）。则

A.圆环中产生逆时针方向的感应电流

B.圆环具有扩张的趋势

C.圆环中感应电流的大小为

D.图中a、b两点间的电势差U_ab=

妊娠后期，硬膜外麻醉阻滞平面扩散较广的主要原因是（）

A.硬膜外间隙是负压

B.血容量增多

C.硬膜外血管充盈，间隙变小

D.硬膜外间隙是正压

E.体重增加

根据西方伦理学的观点，以下哪一项不属于友爱的源头？（）

A.父爱

B.母爱

C.兄弟之爱

D.博爱