扩散层的形成,有利于提高奥氏体不锈钢与珠光体耐热钢焊接接头的质量。( )
参考答案:错
A beautiful young woman stopped a taxi in a big square and said to the driver, "Do you see that young man at the other side of the square" "Yes," said the driver. The young man was standing outside a restaurant and looking at his watch every few seconds. "Take me over there," said the young woman. There were a lot of cars, buses and trucks in the square, so the taxi driver asked, "Are you afraid to cross the street" "Oh, no." said the young woman. "But I said I would meet that young man for lunch at one o’clock, and it is now a quarter to two. If I arrive in a taxi, it will at least seem that I have tried not to be too late.\
How did the young woman get to the square A. She walked there. B. She arrived there in a taxi. C. The story doesn’t tell.
不抓精神文明建设会影响物质文明建设不是必然的。按命题间的对当关系,用适当的命题驳斥上述命题。