第一节：阅读理解（共20小题，每题2分，满分40分）:
阅读下列短文，从每题所给的四个选项（A、B、C和D）中，
选出最佳选项。
A
Work is a part of living —my grandparents understood that . They lived and worked on a farm that has been in my family for 150 years . They raised chickens for eggs , pigs and cattle for meat . Cows were kept for milk and the cream , from which Grandma made butter and cheese . What little yard they had became a garden .
