D．Her father raised his six children on a farm in Washington State

6．When was Mother's Day probably made a national holiday in history?

A．In 1909 B．In 1910 C．In 1912 D．In 1972

7．Which of the following is TRUE according to the passage?

A．Father's Day is not just celebrated for Dads but for men adults

B．Sonora was the first person to put forward the idea to honor fathers

C．At first Father's Day was celebrated on the first Sunday of June

D．President Richard Nixon made Father's Day a national holiday

8．What's the main idea of the last paragraph?

A．Suggestions for picking up gifts for Dads

B．Reasons for not buying anything for Dads

C．Benefits for buying Dads gifts

D．Ways to make gifts for Dads

　　Ever since they were first put on the market in the early 1990s, genetically modified (GM) foods（转基因食物）have been increasingly developed and marketed in many countries in the word, mainly on the basis of their promise to end the worldwide food crisis. But can GM technology solve world hunger problems? Even if it would, is it the best solution?

　　 Despite what it promises, GM technology actually has not increased the production potential of any crop. In fact, studies show that the most widely grown GM crop, GM soybeans, has suffered reduced productivity. For example, a report that analyzed nearly two decades of research on major GM food crops shows that GM engineering has failed to significantly increase US crop production.

　　Something else, however, has been on the rise, While GM seeds are expensive, GM companies tell farmers that they will make good profits by saving money on pesticides{杀虫剂）. On the contrary, US government data show that GM crops in the US have produced an overall increase in pesticide use compared to traditional crops. "The promise was that you could use less chemicals and boost production. But nether is true," said Bill Christian, President of the US National Farm Coalition.

At the same time, the authors of the book World Hunger: Twelve Myths argue that there actually is more than enough food in the world and that the hunger crisis is