1. 18 Lesson 18 Unintended consequences Listening: Human Interference

1. 
   1.18 LESSON 18 Unintended consequences
   

Listening: Human Interference

2. 
   Grammar: Passives
   

Listen to the tape and fill in the blanks with appropriate words and phrases.

Chinese farmers were not (a)______________________ with the little harvest they gathered in 1958. Calculation showed that (b)______ kg of grain was eaten by each sparrow. Under the influence of sparrow grain seed eating habit a Chinese leader Mao Zedong ordered the (c)_________________ of sparrows. The whole (d)___________________________ killed hundreds of millions of sparrows. Ways of (e)____________________ included breaking eggs, killing chicks as well as shooting sparrows down from the sky. On December 13, sparrows were terrorized by children, workers, farmers holding their pots

and

pans (f)__________________ birds’ landing. Result of these efforts was a nearly (g)_________________ of sparrows in China. Sparrows were replaced with another type of crop eater, a large type of grasshopper population (h)_________________. In 1960, it became known that sparrows ate also (i)_________________ which made Mao Zedong order to stop Great Sparrow War.