C.Building a laboratory.D.Dealing with the blight.7.What is the last paragraph mainly about?A.The record's significance.B.Douglas Smith's next plan.c...
7.Why do the speakers like rain?A.It does good to all people.dil gb4。ToWPB.It brings perfect weather.9g81y8c137oA,C.It makes the air cleaner.o 65a84...
33.What mainly led to such polluted air in India?A.A dense seasonal smog.B.Poverty and inequality.C.National economic development.D.Changing agricultu...