外国→英语｜A|cultivate more drought-resistant trees$B|reduce the density of some of its forests$C|find more effective ways to kill insects$D|restore its forests quickly afte…〔09-10〕

  外国→英语｜A|preserve the diversity of species in them$B|accelerate the growth of young trees$C|strike a balance among different plants$D|lower their present carbon-absorbin…〔09-10〕