Cό
The downfall of empire ۇĚ
READING
reasons.
1.Rebellion of other states.
2.Shortage of food supply.
3.Bad trade relationships
Against.
1.뼯(qun)army@Щstates]Ҏ(gu)܊߅defensive wallͱ
2.(dng)rѽ(jng)irrigation systemԏh(yun)̎{(dio)ˮ҃ʳҲ^
3.ۇ߅statesIJƽQ(mo)ʹ@ǵۇ͖|߅ıIdianµpartnerԏa(b)pʧIJ
CόסAmerican southwestһȺ˵ʧ
REDAING
Caused by drought.
ɸɺ
1.Documented global warming.ȫ׃ůӛ
2.Irrigation systemкܶăˮ
3.Ļl(f)չ˿Lˣɺʹȱxƾӄe̎
Against.
1.Global warming ܴ_p˽ˮ۾ӵ܇l(f)F(xin)Ę@ʾ(dng)rĽ]ôٌHČķ(dng)rĽNf
2.@ЩʧһǰҸ(j)ӛd@ЩΕr˵ֿһL_(d)50ĸɺͬrҲCcapacity of surviving through drought
3.˂ʧ߀ЄeؿԌ(do)±warҴ_E@ЩijЩ}a(chn)conflictsпܕredrive them away
Cόm vs p
READING
weaknesses.
1.Mpouchٰl(f)òPãimmune systemȱ.
2.Mlack abilities to adapt to environment
ӣcontrol body temperaturepҪ
3.Mcannot compete with P
ӣAustralia100ųF(xin)pmһֱms^(sh)
Against.
1.Pouchorganismõo(h)Lúܺ pouch̳Limmune systemҲ
2.Mwص͕rһNLM(jn)^ضȵͿsave energy˜p
3.ڰĴɷNNcoexist˔(sh)flive side to sideL̎ڸP(gun)ϵҴrMAgreat success