TF阅读真题第843篇The Sistine Ceiling

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Britain's Industrialization     The Industrial Revolution was an extended period of economic growth and change brought about by the application of mineral energy and t...

TF阅读真题第842篇Waking Up: Coming Out of Hibernation

Food Caching by Scrub Jays     The western scrub jay is a highly intelligent bird, and biologists have conducted a number of experiments on its cognitive abilities base...

Horns in Beetle Competition       Intraspecific competition-that is, competition between members of the same species for limited resources-can be a complex phenome...

  Sunspot Cycles   Dark regions on the Sun, called sunspots, were studied in 1610 by Galileo, who turned the newly invented telescope on objects in the sky. A lively deba...

Insect Colony Movement     In general, colonies of social insects such as bees or ants move either to change nesting sites when the current site deteriorates in quality,...

TF阅读真题第805篇Concealing Coloration

PART 1 READING PASSAGE 1 You should spend about 20 minutes on Questions 1-13, which are based on Reading Passage 1 below. THE BAOBAB TREE The baobab tree is an icon of the African...