In the early times some people learned 41. ________ (grow) crops and raise animals for food. They were the first farmers.
Since 42. ________ (sixteen) century, the word farm has meant agricultural land. But a much older meaning of the word farm is linked 43. ________economics. The word farm comes from the Latin word, firma, 44. ________means an unchanging payment. Experts say the earliest 45. ________ (mean) of the English word farm was a yearly payment 46. ________ (make) as a tax or a rent.
Farmers know that 47. ________ is necessary to make hay(干草) while the sun shines. Hay has to be cut and gathered 48. ________ it is dry. So a wise farmer never delays gathering his hay when the sun is shining. Rain may soon appear.
A wise person copies the farmer. He works when 49. ________ (condition) are right. A new mother, for example, 50. ________ (quick) learn to try to sleep when her baby is quiet, even in the middle of the day. If the mother delays, she may lose her chance to sleep. So, the mother learns to make hay while the sun shines.
