1.   Official explanations of deficiencies in teaching quality have tended to equate such deficiencies with tendencies to adopt transmission patterns of teaching.

2.   Although the official explanation by his Mapei-Clas team was gastroenteritis, the unofficial and more widely believed cause was total loss of morale.

3.   Although price inflation has remained persistently mild at both the retail and wholesale levels, most economists and other Fed watchers accept the official Fed explanation at face value.

4.   Although no official explanations were given on the cause of the collapse, analysts and witnesses said faulty construction played a major role.

5.   At the South Korean embassy in Paris, a spokesman said South Korea intends to ask the French government for an official explanation of its decision.

6.   But the Chinese foreign ministry spokesman disdained the official U.S. explanation.

7.   But the Chinese foreign ministry spokesman disdained the official U.S. explanation Monday.

8.   But the myths are better than the official explanation.

9.   Few Mexicans believe the official explanation of the shooting -- that cocaine traffickers attacked the churchman by mistake while gunning for an enemy gangster.

10.   He said that the appeal of the argument that Ms. Bergalis and the others had risk factors for AIDS is that it contradicts the official explanation.