20．He has millions of students from all around the world．They listen to his classes online but never see his face on the screen．Salman Khan，39，from the US，is the founder of the learning website Khan Academy．
Unlike other online courses that film teachers giving classes，Khan's videos only use his voice and a digital blackboard for writing．He says he doesn't want a human face to distract students．Khan also makes his classes as short as 10to 15minutes so students don't lose interest．They can also earn （獲得） points from taking these classes．
The courses are translated into more than 36different languages including Chinese．About 80teachers from the world's top universities are now also teaching on the website．But all this started nine years ago with just one man-Salman Khan．υThese kinds of special courses make Khan Academy one of the world's most popular online education websites．
In 2006，Khan made homemade videos to help his seventh grade cousin with math．He posted the videos online and got thousands of views．This encouraged Khan to make more videos and create his own website Khan Academy．
As a Bangladeshi-American （孟加拉裔美國(guó)人），Khan understands that many kids，especially those in developing countries，cannot get a good education．He himself has three degrees （學(xué)位） from Massachusetts Institute of Technology and one from Harvard．He wants to use his knowledge to help more people．Thus，his courses are all offered for free．"Our mission （任務(wù)） is to provide a free，world-class education for anyone，anywhere，"he said．
Khan's website has not only become very popular worldwide but has also won a lot of respect．Even Bill Gates，the founder of Microsoft，is one of his fans．Gates donated over $1.5million （9.6million yuan） to support Khan and named him the"teacher to the world"．
28．From Paragraphs 1-2，we learn thatB．
A．Khan Academy is only for people in the US
B．Khan Academy is an educational website
C．Khan's courses film teachers giving classes
D．there is a 10to 15minute break between Khan's classes
29．What does the underlined word"distract"mean in Paragraph 2？C
A．麻煩 B．吸引 C．使分心 D．使煩惱
30．How many languages are the courses translated into？A
A.36 B.80 C.9 D.1
31．Which of the following is NOT true？A
A．Khan's cousin came up with the idea for Khan Academy．
B．Khan knows about the educational situation in developing countries．
C．People don't have to pay for Khan's courses．
D．Bill Gates named Khan the"teacher to the world"．
分析 文章介紹了Salman Khan創(chuàng)辦在線學(xué)習(xí)網(wǎng)站Khan Academy的過程，以及該網(wǎng)站的一些情況．
解答 28-31 BCAA
28．B 主旨大意題．通過第一、二段的介紹可知，the learning website Khan Academy是一個(gè)學(xué)習(xí)的網(wǎng)站，而且學(xué)生只能聽到聲音，use his voice and a digital blackboard 還有一個(gè)數(shù)碼黑板，故答案為B．
29．C 猜測(cè)詞意題．根據(jù)第二段Khan's videos only use his voice and a digital blackboard for writing可知，在網(wǎng)站上學(xué)生只能聽到聲音看不到老師的臉，因?yàn)椴幌胱寣W(xué)生分心，所以distract此處使…分心，故答案為C．
30．A細(xì)節(jié)題．根據(jù)第三段開頭The courses are translated into more than 36different languages including Chinese可知，該課程被翻譯成36種不同的語(yǔ)言，包括漢語(yǔ)，故答案為A．
31．A細(xì)節(jié)題．In 2006，Khan made homemade videos to help his seventh grade cousin with math根據(jù)這句話可知，在2006年Khan自己把視頻貼到網(wǎng)上引起了大家的關(guān)注，從而引發(fā)了創(chuàng)造網(wǎng)站的想法，故A說法錯(cuò)誤．Khan understands that many kids，especially those in developing countries，cannot get a good education．看出B正確；his courses are all offered for free得出C正確；Even Bill Gates named him the"teacher to the world"．根據(jù)這句話D正確．
點(diǎn)評(píng) 在閱讀時(shí)，首先看題目要求我們理解什么細(xì)節(jié)，找出關(guān)鍵詞，然后以此為線索，運(yùn)用尋讀的技巧迅速在文章里找出相應(yīng)的段落、句子或短語(yǔ)．認(rèn)真比較選項(xiàng)和文中細(xì)節(jié)的區(qū)別，在正確理解細(xì)節(jié)的前提下，確定最佳答案
