填空题

Most people think of sharks as huge, powerful, frightening predators, ready at any moment to use their sharp teeth to attack swimmers. There are a lot of wrong ideas about sharks.
First, there are about 350 (1) of shark, and not all of them are large. They range in (2) from the dwarf shark, which can be only six inches long and can be held in the hand, to the whale shark, which can be more than 5 feet long.
The second (3) of shark concerns its terrible teeth whose number and type can vary greatly among the different species of shark. A shark can have from one to seven (4) of teeth at the same time, and some types of shark can have several hundred teeth in each jaw. It is true that the cruel and predatory species do have (5) sharp teeth used to (6) and cut their victim apart, many other types of shark, however, have teeth more (7) to holding than to cutting.
Finally, not all sharks are predatory animals ready to (8) out at humans. In fact, only 12 of the 350 species of shark have been known to attack humans, and a shark seldom (9) humans unless is made angry. The types of shark that have the worst record with humans are the tiger shark, the bull shark, and the great white shark. However, for most species of shark, even some of the largest types, there are no (10) instances of attacks on humans.
A. attacks B. negotiate C. size D. declaration
E. remote F. known G. misunderstanding H. notifying
I. extremely J. species K. sets L. hence
M. tear N. strike O. suitable