题目

如图为物质出入细胞膜的示意图，请据图回答：（18分，每空2分）（1）A代表分子；B代表；D代表 。（2）细胞膜的功能特点是 。 （3）动物细胞吸水膨胀时B的厚度变小。这说明B具有。（4）在a～e的五种过程中，代表被动运输的是 。（5）可能代表氧气转运过程的是图中编号 ；葡萄糖从肠腔进入小肠上皮细胞的过程是图中编号 。（6）图A、B、C表示的是物质运输的三种方式，以下叙述中错误的是（ ）A．图A是自由扩散B．图B运输速度的限制因素是能Does technology influence the purity of Chinese language? Yes!Many Chinese use messenger tools such as MSN or QQ, listen to music on MP3 players and blog on the Internet using ADSL ,but most people don’t know the Chinese meanings of the abbreviations, as many English letters have become part of the local lexicon（专门词汇）. Some parents are so crazy about English letters that a couple tried to name their baby "@", they say the character used in email addresses reflects their love for the child.While the "@" is obviously familiar to Chinese e-mail users, they often use the English word "at" to pronounce it , which sounds like ai ta, or "love him", to Putonghua speakers.“Nowadays, more and more English abbreviations are being used in Chinese, making them an important part of the modern language," said Hou Min, a professor at Communication University of China. "The abbreviations are very popular because they can be used easily," Hou said. "As more Chinese people learn foreign languages, especially English, in recent years, using abbreviations has become a trend（趋势）among some educated people," she said.Some language scholars fear such usage will influence the purity of Chinese and cause confusion（混乱） in communication.1.Which of the following is Not True according to the passage?A、Only a few people know the Chinese meanings of the abbreviations.B、Using abbreviations has become a trend among educated people in recent years.C、Many English letters are popular and have become part of the local lexicon.D、People often use the English word " love him " to pronounce"@".2.Why do some parents name their baby"@"?A、Because some parents want to show their love.B、Because some parents think "@"is a lucky word.C、Because it is easy for children to write"@".D、Because some parents feel "@"is very interesting.3.The underlined word “such usage ” in the passage refers to _______.A、More and more Chinese abbreviations are being used in EnglishB、More and more English abbreviations are being used in ChineseC、Many Chinese use messenger tools such as MSN or QQ, listen to music on MP3 players.D、Chinese students can use Chinese in English correctly.4.This passage mainly talks about_______.A、Technology influences the purity of Chinese language.B、Some parents think it important to name their baby "@".C、English abbreviations isn’t used in Chinese widely.D、Using abbreviations has become a trend among some educated people.