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Task 1Directions: After reading the following passage, you will find 5 questions or unfini

Task 1

Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.

Relations between the United States and Colombia suffered for many years because of an incident involving the Republic of Panama. By the end of the Spanish-American War in 1898, many Americans felt that an easier and faster way was needed to get ships from the Atlantic Ocean to the Pacific Ocean. Some people in the United States first believed that a canal across Nicaragua was the answer. However, President Theodore Roosevelt decided that a canal through Panama would be a better choice.

In order to build the canal, the united States had to negotiate a treaty with Colombia, which at that time controlled Panama. Roosevelt offered Colombia $10 million plus$ 250 000 a year for 99 years for a six-mile-wide strip of land across panama. Colombia rejected the United States' offer. This angered President Roosevelt, and negotiations with Colombia ended.

1903, a revolution broke out in Panama. United States ships were sent by President Roosevelt to protect Panamanian revolutionaries from Colombian forces. The revolution succeeded, and Panama declared its independence from Colombia. The united States then negotiated with the newly formed government and began to build the canal

According to the passage, it can be concluded that the United States ______ .

A.wanted to build a canal because it was considering starting a war

B.felt that building a canal through Panama was worth the risk

C.believed that a canal through Nicaragua would be profitable

D.had lost the Spanish-American War

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第1题

下列制备缓释、控释制剂的方法属于以控制扩散为原理的是()

A.制成溶解度小的酯

B.控制粒子大小

C.制成微囊

D.亲水凝胶骨架

E.与高分子化合物生成难溶性盐

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第2题

①以延缓溶出速率为原理的缓释、控释制剂()。②以控制扩散速率为原理的缓释、控释制剂()。A.膜控释小丸B.渗透泵片C.微球D.纳米球E.溶蚀性骨架片
①以延缓溶出速率为原理的缓释、控释制剂()。②以控制扩散速率为原理的缓释、控释制剂()。A.膜控释小丸B.渗透泵片C.微球D.纳米球E.溶蚀性骨架片

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第3题

下列属于控制溶出为原理的缓释、控释制剂的方法有

A.控制粒子大小

B.制成溶解度小的盐

C.制成药树脂

D.制成不溶性骨架片

E.制成乳剂

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第4题

缓释、控释制剂的释药原理有A.扩散原理B.溶出原理C.靶向原理D.渗透压驱动原理E.离子交换原理

缓释、控释制剂的释药原理有

A.扩散原理

B.溶出原理

C.靶向原理

D.渗透压驱动原理

E.离子交换原理

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第5题

缓释、控释制剂释药的基本原理有()

A.扩散原理

B.溶出原理

C.离子交换作用

D.溶蚀与扩散、溶出相结合

E.渗透泵原理

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第6题

下列描述中与缓释与控释制剂释药原理无关的为()A.毛细管作用B.渗透压原理C.离子交换作用D.No

下列描述中与缓释与控释制剂释药原理无关的为()

A.毛细管作用

B.渗透压原理

C.离子交换作用

D.Noyes-Whitney方程

E.扩散原理

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第7题

下列属于控制扩散为原理的缓控释制剂的方法()A.与高分子化合物生成难溶性盐B.控制粒子大小C.制

下列属于控制扩散为原理的缓控释制剂的方法()

A.与高分子化合物生成难溶性盐

B.控制粒子大小

C.制成微囊

D.用蜡类为基质做成溶蚀性骨架片

E.制成溶解度小的盐

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第8题

简述缓释制剂中以减少扩散速度为原理的各种工艺方法。...

简述缓释制剂中以减少扩散速度为原理的各种工艺方法。

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第9题

下列属于控制扩散为原理的缓控释制剂的方法A.制成溶解度小的盐 B.控制粒子大小 C.制成微囊 D.

下列属于控制扩散为原理的缓控释制剂的方法

A.制成溶解度小的盐

B.控制粒子大小

C.制成微囊

D.用蜡类为基质做成溶蚀性骨架片

E.与高分子化合物生成难溶性盐

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