【Peoplelikedolphinsbecausetheyarebothlovelyandclever．Theyhavean（56）___IQ（智商）．Dolphinscan‘talk'．Scientiststryto‘talk'withdolphins，andtheresultsmakethem（57）___．Theyfindthatdolphins（58）___under】

People like dolphins because they are both lovely and clever．They have an （56）___IQ （智商）．

Dolphins can‘talk'．Scientists try to‘talk'with dolphins，and the results make them （57）___．They find that dolphins （58）___ understand them so well．

（59）___ animals enjoy playing，but dolphins like to make their games different．On a beautiful day in 1997，scientists on a beach （60）___ a little dog going into the sea．They were surprised to see the dolphins come up to the dog and then start throwing（扔） it into the air．The dog （61）___ the‘game'and kept playing with the dolphins for over an hour．

Dolphins live in a very different world from （62）___，but they are very good at our‘IQ tests（测试）'．For example，in the picture above，a dolphin jumps （63）___ the water when he hears a whistle noise（哨声）．He does this because he will get a fish （64）___ an award．

There is （65）___ much to learn about these lovely friends．

56．A．interestingB．importantC．usual

D．amazing
57．A．surprise	B．surprised	C．surprising	D．interesting
58．A．must	B．may	C．can	D．should
59．A．Veryfew	B．No	C．Most	D．None
60．A．looked	B．saw	C．learnt	D．watched
61．A．disliked	B．hated	C．missed	D．enjoyed
62．A．theirs	B．ours	C．his	D．mine
63．A．into	B．outof	C．onto	D．across
64．A．with	B．as	C．for	D．without
65．A．still	B．sometimes	C．never	D．seldom．