- 2024-12-18Take care of the water (7A_提高_P66)
ImagineamassoffloatingwastethatistwicethesizeofthestateofTexas.Texashasalandareaofmorethan678,000squarekilometres.Soitmightbedifficulttoimagineanythingtwiceasbig.ThismassofwasteflowingintheNorthPacificOceani
- 2024-12-15Rescue (7A_提高_P52)
OnenightinNovember1981,CathyMareadysetoffinhersmallplanetoflyfromLadyIslandjustoffthecoastofSouthCarolina,USA,backtothemainland.Shewasinahurrysoshedidn'ttelltheairportcontrolwhereshewasgoing.Tenminutesla
- 2024-12-15Hiking (7A_基础_P75)
Hikingisanactivityofgoingoutforalongwalkforplesure.Mostpeoplechoosetogohikinginthecountryside,inforestsormountains.It'sagreatwaytotheexploreoutdoors.Herearetwotipsforhikers.Asabeginner,you'dbetterstartw