应了解并熟悉用药的性质、作用、疗效及安全性的是 A．新药申请 B．已有国家标准药品的

驾驶机动车在这种信号灯亮的路口，可以右转弯。

在所有权明确化的基础上通过（），而无须政府干预就可以解决外部性问题。

A.市场交易

B.资源重新配置

C.减少资源成本

D.减少交易成本

阅读理解。

     Shift Happens by Robert Holden

Price: $ 6.49

     It’s an excellent book that will greatly improve your life. It has insightful (富有洞察力的)

wisdom that is easy to apply in everyday life. It’s written in a very thoughtful and humorous

way. Read it when you are stressed and it will help you remember what is important in your life.

Balancing Work & Life by Robert Holden

Price: $ 10.50

     The book deals with the key challenges of our life. It is a must-read for anyone who is

trying to balance work success, family joy and daily life.

     Practical techniques show you how to set your goals and make proper choices.

     Clear text and illustrations (图表) cover every aspect of defining success and achieving

balance.

     Accessible (易懂的) charts and diagrams explore different choices for taking actions and

provide examples.

Happiness Now by Robert Holden

Price:$8.00

     This book explains what holds us back from being happy in our lives. Holden analyzes these

similar questions and in the process you will become more informed about what’s really going

on in your mind. This is a must-have book for anyone wanting to understand how your thoughts

keep you from your happiness.

The Secrets of Relationships by Renshaw

Price: $9.50

     Are you looking for a satisfying relationship? If so, you should read this book and discover:

The secret of finding the right partner

The secret of communicating successfully

     The secret of getting along well with others

The secret of getting what you want

     This book is your passport to a whole new relation-ship experience. Order online now and

you can get a 20% discount.

    For more information, please click here.

1. If you find it hard to get along with others, which book can offer you help?_____

A. Happiness Now      

B. Balancing Work & Life

C. Shift Happens        

D. The Secrets of Relationships

2. All of these books mainly help people _____.

A. to make friends easily            

B. to improve their quality of life

C. to find a better job                  

D. to achieve their goals

3. If you want to buy two copies of Balancing Work & Life and one copy of Happiness Now

online, how much would you have to pay?_____

A. $29    

B. $23.20    

C. $26.50    

D. $22.40

( ) 是电子商务的高级阶段和最终目的。

A．电子数据交换

B．在线交易

C．站点推广

D．电子政务

坡屋面挂瓦时，脚手架的高度应超出檐口（）

A.50cm

B.60cm

C.l00Cm

D.12OCm