2017年9月17日托福阅读机经预测

>>托福听力预测：2017年9月17日托福阅读机经预测

>>托福课程专家指导

地质类

Early Theories of Continental Drift

Attempts at Determining Earth’s Age

How Soil is Formed

Earth’s Energy Cycle

Thermal Stratification

环境类

The Climate of Japan

The Role of the Ocean in Controlling Climate

经济类

Effects of the Commercial Revolution

Seventeenth-Century European Economic Growth

考古类

Environmental Impact of the Anasazi

The Collapse of the Mays

The Chaco Phenomenon

科学类

The Birth of Photography

Early American Printing Industry

农业类

Agricultural Society in Eighteenth- Century British America

Water Management in Early Agriculture

社会类

Population Growth in Nineteenth-Century Europe

Hunting and the Setting of Inner Eurasia

生物类

Extinctions at the End of the Cretaceous

The Cambrian Explosion

The Extinction of the Dinosaurs

How Animals in Rain Forests Make Themselves Heard

Sociality in Animals

Dinosaurs and Parental Care

Habitat Selection

Temperature Regulation in Marine Organisms

Cell Theory

Poikilotherms

Forest Succession

The Role of Diapause

The Identification of the Genetic Material

How Plants and Animals Arrived in the Hawaiian Islands

Constraints on Natural Selection

天文类

Surface Fluids on Venus and Earth

Origin of the Solar System

Comets

文化艺术类

The Origins of Writing

Live Performance

The Origins of Theater

The Development of Printing

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