问题 多项选择题

乙醇主要通过其代谢产物乙醛引起肝细胞坏死,并由此继发炎症导致肝纤维化,其毒性作用表现在于()

A.引起肝细胞线粒体损伤,使呼吸链和脂肪酸氧化能力降低

B.与儿茶酚胺缩合形成类似吗啡的前体物质

C.导致NADH/NAD+比值增加

D.导致NAD+/NADH比值增加

E.易致乳酸性酸中毒

答案

参考答案:A, B, C, E

填空题
阅读理解

Recently, South Korean star PSY’s ‘Gangnam style” video has been popular on the Internet. It has become most people’s favorite music.

In fact, the song has set the Guinness World Record for the most popular video in the history of the Internet. More than two million people have said “like” since the song was on the Internet on July 15.

PSY”s special dance moves and funny horse riding style have attracted many people. Although many people do not understand the language, the video has become the talk of the Internet. The song has come to first place in the music charts(排行榜) in 31 countries, including the United States, the United Kingdom, and Canada.

“I just sang for my South Korean fans. I have never expected it to be popular in other countries,” PSY told the reporters on a concert. The song was so popular that a few of South Korean’s politicians showed PSY’s moves to attract supporters.

“The song came out in mid-July. It sings about the rich life of South Korea —especially Gangnam in Soeoul, where a lot of rich people live.

Millions of people have watched the video. Many stars, such as Katy Perry, Robbie Williams and Nelly Furtado said that they love the song. These stars performed part of the song at a recent concert.

Riding high on the success of “Gangnam Style”, PSY was signed by Scooter Braun to Braun’s Schoolboy Records, a label distributed by Universal Republic.

PSY has written many hit songs of varying styles for different singers. Prior to “Gangnam Style” his most famous composition perhaps was Lee Seung Gi’s debut(首次亮相) song “Because You Are My Woman”.

小题1:What makes PSY’s “Gangnam Style” the famous music of millions of people?

A.The song has set the Guinness World Record.

B.The song has come to first place in the music chart.

C.They like the dance moves and the horse riding style.

D.They don’t understand the words of the song.小题2:Why did some of South Korea’s politicians show PSY”s moves?

A.They wanted to tell people that they were also fond of music.

B.They wanted people to support them.

C.They were PSY’s fans.

D.They liked PSY’s dancing style.小题3:What’s “Gangnam Style” about?

A.The way of horse riding.

B.The rich life of people of Gangnam in Seoul.

C.The Guinness World Record.

D.The love of stars.小题4:What is the best title of the passage?

A.Life of the Music Star PSY

B.“Gangnam Styly” —— Most people’s favorite Music

C.PSY’s Famous Compositions

D.Meaning of “Gangnam Style”