求九年级仁爱英语同步练习册unit1 Topic2 section

1.weak,chest,Anyway,gas,produce
2.D,C,C,D,D
3.E,A,D,C,B
4.few,strange,how,forests,gardens,
rainwater,pollute,popular,must,change.
5.(1)air,water,soil,pollution.
(2)the government has passed laws to prevent the enironment from being polluted
(3)polluted air can cause illness and ever death
(4)the polluted water,litter,bad gas and
chemical
(5)in some supermarkets,stop assistants can not use plastic bags to pack fruits
(6)environmental pollution is one of the most serious problems for people.
(7)environmental pollution.