阅读下面短文，将短文中画线部分的句子翻译成中文。将答案写在答题纸的相应位置上。（共6分，每小题2分）

小题1:In 1938, a radio program by actor Orson Welles announced that aliens from Mars had landed on the earth. He described where they had landed and told how they were moving across the United States. Welles was so convincing that hundreds of people believed the story,and panic set off across the whole country. By the time the authorities revealed that the story was a hoax, thousands of people had fled from their homes.

One April Fool's Day, a reporter in England announced that there would be no more spaghetti because the spaghetti.Many people ran to their local supermarket to buy as much spaghetti local supermarket  to buy as much spaghetti as they could. 小题2:By the time people realized that the story was a hoax, all of the spaghetti across the country had been sold out.

A famous TV star once invited his girlfriend onto his show on April Fool's Day. He asked her to mary him. She was thrilled, because she really wanted to get married. 小题3: However, when she said "yes", he replied, "April Fool!" That little joke didn't have a very happy ending. The TV star lost both his girlfriend and his show.

企业应评估纠正与预防行动解决（）问题的效力。

A.根本原因

B.疑难

C.实际