在入学注册时年龄满40周岁的非英语专业学生可免考教育部网考“大学英语”。（）

根据“甲的英语成绩很好，乙的英语成绩很好，丙的英语成绩很好，丁的英语成绩也很好，而他们都是甲组的学生”，由此得出结论“甲组的学生英语成绩都很好”，这个推理（）。

“One or two free admission days at slow times.”“Slow times”here means _____.

I remembered the day when World War II finished I was eight or nine at the time , and we heard it ___ when we were at the table

I remembered the day when World War II finished I was eight or nine at the time , and we heard it ___ when we were at the table

Each cover consists of two or （）panels.

Each （）consists of two or more panels.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

It was two days before Christmas. Everything went ________ me.

The ball _____ two or three times before rolling down the slope.

已知“A、B二人中至少有一人懂英语”、“只有B刁懂英语，A才懂英语”和“A不懂英语并且B也不懂英语”这三个判断中，只有一个为真。据此，便可必然推出下列判断中为真的是（）。