He has millions of students from all over the world．They listen to his classes online．They（1）　　see his face on the screen． Salman Khan， 42， from the US， is the founder（创始人）of the learning website Khan Academy．

    Unlike other online courses that film teachers（2）　　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（使分心）students． Khan also makes his classes （3）　　10 to 15 minutes so that students won't lose interest． They can also get scores from taking classes．

    The courses are translated into more than 36 different languages（4）　　Chinese． About 80 teachers from the world's top universities are now also teaching on the website． But all this started nine years ago with just one man﹣Khan． These kinds of special courses make Khan Academy one of the world's（5）　　online education websites．

    In 2006， Khan made homemade videos to help his （6）　　grade cousin with math． He posted the videos online and got thousands of views． This encouraged him to make more videos and create his own website Khan Academy．

    Khan understands that many kids，especially those in developing countries， cannot get a good education．He has three degrees from universities．He wants to use his（7）　　to help more people．Thus，his courses are all offered for free． "Our task is to （8）　　a free， world﹣class education for anyone， anywhere，" he said．

    Khan's website has （9）　　become very popular worldwide but won a lot of respect（尊重）． Even Bill Gates， the founder of Micros of， is one of his fans． Gates （10）　D　over ﹩1.5 million to support Khan and named him "the teacher to the world"．

（1）A． always	B． usually	C． never	D． sometimes
（2）A． to give	B． giving	C． give	D． gave
（3）A． as long as	B． as much as	C． as short as	D． as soon as
（4）A． including	B． with	C． as	D． beside
（5）A． least popular	B． more popular	C． popular	D． most popular
（6）A． nine	B． nineth	C． ninth	D． the ninth
（7）A． knowledge	B． fame	C． courage	D． value
（8）A． give	B． offer	C． provide	D． pay
（9）A． ever	B． already	C． not	D． not only
（10）A． gave out	B． gave off	C． gave up	D． gave away