我急用BEastern Europe is considered the most polluted(1) (at,fo

我急用
B
Eastern Europe is considered the most polluted(1) (at,for,of) all the world's industrialized areas because heavy metals (2) waters.Many rivers,land,and forests are biologically (3) (dead,died,relieved) from pollution.Ghana's forest protection program has succeeded (4) (for,on,in) strengthening the country's agricultural base and(5) (recovered,bringing,destroyed) a new source (6) (by,in,of) wealth to villagers.It remains to be seen (7) (weather,what,whether) these measures will have enough impact to (8) (promote,rise,slow) the rate of removing the forests.Indonesia is facing the serious problems of providing enough food,shelter and employment (9) (with,that,for) its large population,and (10) (to exercise,encouraging,stopping) birth control.