问题 填空题

请写出一个有一根为0,另一个根不为0的一元二次方程:______.

答案

一根为0,另一个根不为0,设是5,则方程是x(x-5)=0.即x2-5x=0,本题答案不唯一.

填空题

         Holly和Greta自从高中以来就是朋友,Greta刚刚参加了他们的20年校庆,在下面的对话中,他们在谈论他们以前的同学,请使用still和anymore的正确形式。(注意一些句子是否定的)

Holly: Did you see Jim Jensen? He used to be so wild!    

Greta: Yes, but he   1   (be). He looks very conservative(保守) now.    

Holly: Was he thin in high school? I don't remember.    

Greta: Yes, and he   2    (be).    

Holly: 3    (he, wear) glasses?    

Greta: Yes, he does.    

Holly: 4    (he play) the guitar?    

Greta: Yes, he does, but now he plays classical guitar. He   5    (play) rock and roll 6    .    

Holly: Didn't he used to have long hair?    

Greta: Yes, he did, but now he's bald. I also saw Jan Bissing at the reunion(校庆). Remember her? She used to be the most popular girl in school.    

Holly: What does she look like now?  7    (she, look) the same?    

Greta: Yes, except for her hair. She 8    (have) long, brown hair  9    . It's short and blonde. And she 10    (be) cute! She 11    (have) those big blue eyes and those thick eyelashes(眼睫毛).    

Holly: There was something different about her…didn't she always used to wear a hat?    

Greta: Yes, and she   12    (do).    

Holly: Didn't she used to date(和…约会) George Weissler?    

Greta: She   13    (do)! In fact, they're going to get married (结婚)next month.

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