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　　The word sharp can be 　　1　　 to describe many different things in your home, classroom, and place of work．In this chapter(章), the writer 　　2　　 sharp pencils, meaning pencils with a very fine 　　3　　．The writer does not like dull pencils．

　　We can also use the word sharp to describe the blades(刀刃)of knives．Knives also have points．We can use the word sharp to describe a 　　4　　 kind of point, 　　5　　 as the sharp points of kitchen and steak knives．Scissors have blades, too, and we can describe these blades as sharp or dull．Futhermore, the points of scissors are 　　6　　 sharp or rounded, 　　7　　 on the kind of scissors．Some tools, such as saws, scrapers(n.刮刀，削刀),and garden tools, also, have blades．We can use the words sharp and dull to describe the blades of these tools, 　　8　　．Sharp knives, scissors, and tools are 　　9　　 to use．They cut things easily and quickly, without effort．The word sharp can be used to decribe the edges of furniture and 　　10　　 some containers．For example, the edge of a table or desk can be 　　11　　．In addition, we can describe the edge of 　　12　　 open can as sharp．

　　The top of a can is sometimes sharp 　　13　　 to cut your hand．A piece of 　　14　　 from a broken jar of bottle is 　　15　　 very sharp．

　　　　16　　, we sometimes use the word sharp to describe people．A person who appears sharp is very well 　　17　　．A person who is sharp, on the other hand, is intelligent, smart, and 　　18　　 learn and understand．

　　To summarize, the word sharp can be used to describe many kinds of 　　19　　 that have blades, points and edges．When we use the word sharp to describe people, it can mean nice-looking, well dressed, or intelligent．It is an expressive(adj.具有表现力的)word 　　20　　 it can be used in many different ways．