chapter4

benefit:Doing sports have good benefits for us,let us keep healthy and fit.

contrast:My sister has blue eyes and yellow hair,I have brown eyes and black hair.There have a big contrast with us.

convenience:The school offer many convenience to us.

insure:He insures the merchandise for 100000yuan.

lessen:I was very heartache about sister's accident that I can't lessen her pain.

locate:James's wife always wants to locate her husband.

logic:Everyone have their own logic.

rate:I want to know the planes's rate.

require：You should not require your mother to wash your pants.

scale:The project is of a grand scale.