练习-自学托福

History

1、

The Rise of Moscow

难易度:中

2、

England's Economy in the Sixteenth Century

难易度:高

3、

Documenting the Incas

难易度:中

4、

The Great Depression

难易度:高

5、

Agricultural Society in Eighteenth-Century British America

难易度:中

6、

Economic Decline in Europe During the Fourteenth Century

难易度:中

7、

The Multiplier Effect

难易度:高

8、

Sumerian Contributions

难易度:高

9、

The Emergence of Civilization

难易度:中

10、

Written Records

难易度:中

11、

The Origins of Writing

难易度:高

12、

The Collapse of the Mays

难易度:高

13、

Artisans in Sixteenth-Century Europe

难易度:高

14、

Colonial America and the Navigation Acts

难易度:高

15、

Egypt Circa 3100 B.C

难易度:中

Sociology

1、

Costs and Benefits of Social Life

难易度:高

2、

Early Modern Industrialization

难易度:高

3、

Urban Development in the United States in the Nineteenth Century

难易度:高

4、

Climate Change and the Natufian People

难易度:高

5、

Hunting and the Setting of Inner Eurasia

难易度:中

6、

How Herding Can Provide Safety

难易度:高

7、

Art and Culture of Pacific Northwest Communities

难易度:高

8、

Population Growth in Nineteenth-Century Europe

难易度:高

9、

Costs of Quitting a job

难易度:中

10、

Grain in Colonial North America

难易度:高

11、

Poetry Writing Course to be Canceled

难易度:低

12、

Mesopotamian and Egyptian Settlement Patterns

难易度:低

13、

Individual Performance and the Presence of Others

难易度:低

14、

Population Revolution in Eighteenth-Century Europe

难易度:低

Astronomy

1、

Comets

难易度:中

2、

Surface Fluids on Venus and Earth

难易度:高

3、

The Cosmological Principle

难易度:中

4、

Determining the Ages of the Planets and the Universe

难易度:高

5、

Origin of Solar System

难易度:高

6、

Attempts at Determining Earth’s Age

难易度:高

Ecology

1、

Environmental Impact of the Anasazi

难易度:高

2、

The Climate of Japan

难易度:高

3、

The Long History of Over-exploitation

难易度:高

4、

Early life-forms and Earth’s Atmosphere

难易度:高

5、

Southwest Agriculture

难易度:高

6、

Earth’s Energy Cycle

难易度:中

7、

How Soil is Formed

难易度:中

8、

Soil Fertilization

难易度:高

9、

Oxygen and nitrogen are major componentsc

难易度:高

10、

Grassland Environment

难易度:高

Geography

1、

The Beringia Landscape

难易度:高

2、

Milankovitch Cycle and Glaciation

难易度:高

3、

Earth’s Atmosphere

难易度:中

4、

Water Supply in Venice

难易度:高

5、

Early Theories of Continental Drift

难易度:高