Paragraph 1:Progress if gradually being made in the fight against cancer.Paragraph 2 The recent water shortage in California forced changes in Californian’s lifestyle.
P1:Although cures for some forms of cancer have been discovered, other forms of cancer are still increasing.P2:The recent water shortage in California forced changes in Californian’s lifestyle.如果我没有理解错误的话应该是这两句是中心句`
