【正文】
Unit 1 The Changing World Topic 2 Which country has the largest population? 8 88 888 8,888 88,888 888,888 8,888,888 88,888,888 888,888,888 8,888,888,888 88,888,888,888 888,888,888,888 *What’s the population of the world / China / …? *Which country has the largest population? *The population in _________ (develop) countries is larger and is growing ____ (slower / faster) *The population problem is ____ (more serious / less serious) in developing countries. developing Asia had a population of _______________ in 2020. That’s to say, ______ of the world’s population live in Asia. more than 3 billion half 01234567the populationthe worldAsia3 billion247。 billion≈1/ 2 (half) 50 percent (50%) Almost half of the people in the world live in Asia. billion247。 billion≈1 / 5