可使药物亲脂性增加的基团是 A.烷基 B.磺酸基 C.氨基 D.羟基 E.羧基

题型:单项选择题

问题:

可使药物亲脂性增加的基团是

A.烷基
B.磺酸基
C.氨基
D.羟基
E.羧基

考点:西药执业药师药物化学药物的化学结构与药效的关系
题型:单项选择题

.读下列图表完成下列问题。

干旱地区人口的分布

图1

人口分布随海拔高度的比例变化

图2

环境温度对人体的影响

生命障碍不利高温高温舒适低温不利低温冷金属粘皮
>49℃>29℃>24℃18~24℃<18℃<10℃<-20℃
(1)图1、图2和上表表示的影响人口分布的主要因素分别是____________、____________和____________。

(2)由上表可知,世界人口最集中的温度带是___________。

(3)解释图2人口集中分布在0~200米的原因是:①_____________;②_____________,③__________________。

(4)上述自然因素往往通过对人口___________的影响,而影响人口数量的变化,同时又通过人口分布而影响________________的形成和发展。

题型:单项选择题

Win a trip to the OREGON COAST-Dare to Explore the Pacific Ocean. Build the biggest sand castle on the beach. Search tide pools for sea life. Watch the bright orange sunset over the ocean. Whether you’ve been to the Pacific Ocean before or have only closed your eyes and imagined it, we want to know how you would explore the Oregon Coast if you had the chance to go this summer.

JUDGING

1. Clear relationship between the Essay and the Drawing 40%

2. Creativity and skill in design and form of the Drawing 40%

3. Expression of the passion to draw and explore 10%

4. Journalistic quality, tidy nature and overall quality of the Essay 10%

PRIZE

By entering, you will have the chance to win an all expense paid trip to the ORECON COAST. Activities will include: kite flying, studying beautiful sea creatures, searching for sea life in a boat, science exploration at a science center and roasting over a beach campfire.

Who may enter: The competition is 0pen to kids aged 6 - 14.

TERM :  Entries(参赛作品) must be postmarked no later than July 31 ,2009.

How to enter

Surf travelogue. com/kids to download and print out an entry form.

Be sure to mark whether you have or have not been to the Pacific Ocean in山e form. Create a drawing of the Pacific Ocean on a piece of paper using a pen or paints.

Write an article of 100 words or less to explain why you want to go, what you think you would see and what you would explore if you have never been to the Pacific Ocean, or describe your favorite memories from your last visit.

Send to Dare to Explore the Pacific Ocean. NG1145 14th street NW. Washington D. C. 20036

72. What is the most important for the judging?

A. Whether your article is written in a neat way. 

B. The article and the drawing should be closely related.

C.Whether you show your passion to draw and explore

D. The skill in your drawing the map of the AtlanticOcean.

73. If you win the competition, you may____

A. fly a kite on the beach          B. search the beach for sea plants

C. roast the sea creatures over a beach campfire 

D. win an all expense paid trip to Washington D. C.

74. What information can you get from the passage?

A. Your article should be 8t least 100 words.

B. Every kid can rake part in the competition.

C. You must send the drawing before June 31, 2009.

D. Your entry form should be downloaded and printed out.

75. You can most probably read the passage in ________ .         .

A.a textbook B.a travel guide     C.a newspaper D.a research book

题型:单项选择题

某动挠度实测曲线上,测得最大挠度和最小挠度分别为8.4mm和7.6mm,则该测点冲击系数为()。

A.1.11

B.1.09

C.1.07

D.1.05

题型:单项选择题

下列关于乳状液的制备方法中,适用于阿拉伯胶与西黄蓍胶的混合胶的制备方法是()

A.干胶法

B.湿胶法

C.新生皂法

D.两相交替加入法

E.机械法

题型:单项选择题

对于一位急性阑尾炎手术患者,医生采取的最合适的医患关系模式是()。

A.主动-被动模式

B.指导-合作模式

C.被动-合作模式

D.共同参与模式

E.不规律模式

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