任意写一个一元二次方程,使得这个方程有两个不相等的实数根,你举出的方程是( )
x2-5x+6=0(答案不唯一)
根据句子意思,用所给单词的适当形式填空,将答案写在答卷上。(每小题1分)
小题1:He sent his __________ (regard ) to his friends by e-mails.
小题2:Nowadays many young people prefer surfing the Internet to ________ ( read ) books.
小题3:She was ashamed of her son’s bad _________ ( behave ).
小题4:Jack was _________ ( disappoint ) at the news.
小题5:I’m not strong enough ________ ( carry ) the box upstairs.
小题6:Our classroom is on the _______ ( three ) floor.
小题7:Our Chinese teacher always speaks to us ______ ( gentle ). We all love her.
小题8:He tried to behave well to make a good ______ ( impress )on the teachers.
小题9:We have been busy _______ ( prepare ) for the exams these days.
小题10:After three years, the stadium ___________(take)shape at last.
在事件一、事件二中,监理工程师的做法是否妥当乙公司、丙公司的索赔是否合理工程师应如何处理该项索赔