城市的房屋: close together sharing outdoor space，row homes，sharing at least one wall with another home，looking alike，apartment, not much green space 农村的房屋: far apart, fewer neighbors,homes not touching eachother, not looking alike, fewer levels, not tall, big yards 城市的景观: tall building, bright light, people 农村的景观: green field,goat, cow,sheep,lake 城市的声音: street musicians singing, kids playing, friends laughing, taxis honking, street sellers calling out loudly 农村的声音: cows mooing, trains whistling,tractors rumbling,insects chirping, water rushing, frogs croaking, fish splashing 城市的气味: spicy vegetables, smell of freshly baked bread 农村的气味: freshly cut grass,sweet corn 数词的用法，例如: one 介词的用法，例如: in,on 连词的用法，例如: and, also, if 情态动词的用法，例如: can,might 定语从句，例如: An urban area is a place where many people liveand work 祈使句，例如: Look out your window! There be句型，例如: There is a lot of space to run and play outside