PART ONE INTRODUCTION it must also allocate the output of goods and services that they produce. It must decide who will eat caviar and who will eat potatoes. It must decide who will drive a porsche and who will take the bus The management of societys resources is important because resources are scarcity

Ⅱ. Listening skills Identifying Numbers M: The stadium looks pretty big. How many people does it seat w: It holds around 20,000. They say more than 18,000 Tickets have been sold Q lany tickets are left 2. w: I was planning on signing up for the swimming class. Bit I heard it's full M: Really? Thats strange. There were nine swimming classes last semester, and this semester

What Is a Good Paragraph Gold, a precious metal, is prized for two important characteristics. First of all, gold has a lustrous beauty that is resistant to corrosion. Therefore it is suitable for jewelry, coins, and ornamental purposes. Gold never needs to be polished and will remain beautiful forever. For example, a Macedonian coin remains as untarnished today as the day it was made twenty-three centuries ago. Another important characteristic of gold is its usefulness to industry and science. For many years, it has been used in hundreds of

Text Analysis: Main Idea and Devices for Developing It (HOME New words Main idea of the Main idea of each & text and devices part and devices Text for developing it for developing it Transcript

Section I The Disease of Cervix I. Chronic Cervicitis It occurs invariably in multiparous women, more in the married than in the single. Section III Gestational Trophoblastic Diseases，GTD  It refers to the tumor growth of trophoblastic tissue  It’s common denominator is abnormal hyperplasia of trophoblastic cells  Human chorionic gonadotropin (HCG) in patient’s serum and urine is increase

Text Analysis: Main Idea and Devices for Developing It New words Main idea of the Main idea of each text and devices part and devices Text for developing it for developing it Transcript

Force Force is a kind of mechanical action between different objects, it tends to change the shape, volume or movement state of the object with a force upon it. Force is a vector quantity, and thus possesses both magnitude and direction; it can be represented by an arrow whose length specifies the magnitude and whose

– Some definition – Isoprofit curve – Demand function and it’s properties – supply function and it’s properties – Profit function and it’s properties

– Some definition – Isoprofit curve – Demand function and it’s properties – supply function and it’s properties – Profit function and it’s properties

1. To answer correctly is more important than () A. answered quickly B. a quick answer C. quickly answered D. to answer quickly 2.It ( until dark that he realized that it was too late to return home. A. is B. wasn't C. weren''td.were3. Do you remember() Tom about this before? A. to telling B. telling C. to have told D. tell 4. Look, () A. there he goes B. there goes he C. he goes there D. he there goes.It seems difficult () A. to stop the child to crying B. to stop the child of crying C. stopping the child cry D. to stop the child from crying 6.I have never drunk ( beer in my life. A. the better one B. more best C. more better D. better