Many have heard of shark fin soup．This famous and expensive dish is especialy （64） 　　in southern China．But do you realize that you're killing a whole shark each time you enjoy a bowl of shark fin soup？

When people catch sharks，they（65） 　　their fins and throw the shark back into the ocean．This is not only cruel，but also （66） 　　to the environment．Without a fin，a shark can no longer swim and slowly dies．Sharks are at the top of the food chain in the ocean's ecosystem．If their numbers drop too low，it will bring （67） 　　to all ocean life．Many believe that sharks can never be endangered because they are the （68） 　　in their food chain．But in fact，around 70million sharks are caught and traded in this industry every year．The numbers of some kinds of sharks have fallen by over 90percent in the last 20to 30years．

Environmental protection （69） 　　around the world，such as WildAid and the WWF，are teaching the public about"finning"．They have even asked governments to develop laws to stop the sale of shark fins．So far，no scientific studies have shown that shark fins are good for （70） 　　．so why eat them？Help save the sharks!

64．A．popular	B．comfortable	C．interesting
65．A．put up	B．turn down	C．cut off
66．A．useful	B．harmful	C．helpful
67．A．danger	B．safety	C．energy
68．A．weakest	B．laziest	C．strongest
69．A．activities	B．groups	C．persons
70．A．health	B．ocean	C．industry