3Theworldhaschangedforthebetter.10.6-12Unit2SavingtheEarthTopic1Populationhascausedtoomanyproblems.10.13-19Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.10.20-26Unit2SavingtheEarthTopic3Whatcanwedoathometoprotecttheenvironment?10.27-11.2ReviewofUnits1-211.3-9期中考试11.10-16Unit3EnglishAroundtheWorldTopic1Englishiswidelyspokenthroughouttheworld.11.17-23Unit3EnglishAroundtheWorldTopic2Somethingsusuallyhavedifferentmeaningsindifferentcultures.11.24-30Unit3EnglishAroundtheWorldTopic3CouldyougiveussomeadviceonhowtolearnEnglishwell.12.1-7Unit4AmazingScienceTopic1Whenwasitinvented?12.8-14Unit4AmazingScienceTopic2I’mexcitedaboutthethingsthatwillbediscoveredinthefuture.12.15-21Unit4AmazingScienceTopic3Chinaisthethirdnationthatsentapersonintospace.12.22-28ReviewUNIT1--41.4-------期末考试2016/8/30