Unit4NaturalDisaster;Lookatthepictures.Doyouknowwhatthesedisasterare?Writedowntheirnames.;earthquake;1.disaster/d??zɑ:st?(r)/n.灾难;灾害;2.tornado/t?:?ne?d??/n.(pl.-oesor-os)龙卷风;旋风;3.drought/dra?t/n.旱灾;久旱;4.landslide/?l?ndsla?d/n.(landfall)(山地或悬崖的)崩塌;滑坡;5.tsunami