B　[推理判断题。由第二段中的最后一句"Then he began to field­test the effect of laughter on himself and others."可知，Madan Kataria是一位实干家，故选B项。]

　　2．After a short period of time, the club members .

　　A．didn't know what to talk about

　　B．doubted whether laughter would help

　　C．couldn't find any place to get together

　　D．showed less interest in Dr. Kataria's club

　　A　[细节理解题。由第三段中的"after two weeks, their jokes and stories ran out...to continue without any jokes"可知，两周后他们的笑话和故事都讲完了，不知道该谈论些什么了，故选A项。]

　　3．The underlined part "a breakthrough" refers to the discovery that ．

　　A．people may laugh a lot after taking a new type of medicine

　　B．genuine laughter works better than pretend laughter

　　C．laughing a lot is able to help us fight off illness

　　D．pretend laughter is also helpful to our health

　　D　[词义猜测题。 由最后一段中的"Our body cannot... produced the same effect."可知，Dr.Kataria的突破性发现就是假笑和真笑一样有助于人体健康，故选D项。]

　　4．What would be the best title for the text?

　　A．Laughter clubs in India

　　B．Benefits of Laughter Yoga

　　C．The origin of Laughter Yoga

　　D．Laughter-the best medicine

C　[标题归纳题。 由文章最后的"This was the birth of Laughter Yoga."以及文中相关的介绍可知，本文主要讲述了大笑瑜伽的起源，故选C项。]