As much of Mexico city shut down at the height of a panic, cases began to crop up in New York city, the southwestern United States and around the world.
2010年考研真題（英語二）完形填空 Section Ⅰ
Biologists estimate that as many as 2 million lesser prairie chickens一-a kind of bird living on stretching grasslands - once lent red to the often grey landscape of the mid-western and southwestern United States.