问题 单项选择题 A1型题

在高效液相色谱中,梯度洗脱适用于分离()

A.沸点相近,官能团相同的试样

B.分配比变化范围宽的试样

C.沸点相差大的试样

D.几何异构体

答案

参考答案:B

阅读理解

阅读短文,根据短文内容判断句子正误(正确用“T”表示、错误用“F”表示)。

          Here's a story about a famous woman in Australia. Her name is Sandy Green.

          Sandy is a famous Australian actress and singer. When she nearly finished school, she had a part in a TV

show called "The Henderson Kids".

         When that show finished, Sandy had to go back to her studies. Her father kept reminding her that she had

to pass the exam. Sandy worked hard at school, but she really loved acting and she was soon back on TV. She

was still young and gaining experience, but there were bigger things to come.

         Soon after Sandy finished High School, she got a part in a show that changed her life forever. Sandy

started to play Charlence Mitchel in the TV show "Neighbors".

         When she finished playing Charlene in "Neighbors", Sandy went on to build a big following as a singer. Her music has been very popular in England and Australia.

         She is more than 30 years old now, many of her dreams have come true, but she still works hard. If you

want to know more about her, you can go to her Internet website at http:www.sandy.com.

( )1. This story is about Sandy Green, a famous American actress and singer.

( )2. Sandy Green began to act in a TV show before she finished school.

( )3. Sandy loved acting, but she didn't study hard at school.

( )4. Playing Charlence Mitchel in the TV show "The Hendersin Kids" made Sandy's life change forever.

( )5. Sandy never stops working after her dreams have come true.

单项选择题