WORD
barren /bArEn/：unable to produce young; unproductive
TYPICAL USE: The barren land could produce little food.
Synonym：sterile

bump/bQmp/: come with a blow or knock
TYPICAL USE: The room was dark and I bumped my head against the door.
Synonym: collide

devise/di vaIz/: think out: plan or contrive
TYPICAL USE: He devised new method for teaching the blind.
Synonym: invent

exert/ig zEt/: put into use: exercise
TYPICAL USE: My wife’s exert lots of pressure on me to change my job.
Synonym: use

oath/EJW/: a solemn promise often calling upon God
TYPICAL USE: He places the right hand on the Bible as he spoke the oath of the office
Synonym: pledge

shatter/FAtE/: destroy completely; break suddenly into pieces
TYPICAL USE: Their hope of finding him alive was shattered when his dead body was found.
Synonym：smash

Exercise:用今天所学单词的适当形式填空

Our hopes for a picnic was __1__by a heavy rain.
The boy is trying to__2__a scheme to earn more money during the vacation.
Exposure to radioactivity may make animals and plants __3__.
He made a(an) __4__that he would tell the truth and nothing but the truth.
She couldn’t open the door, even by__5__ all her strength

答案:
1.shattered
2.devise
3.barren
4.oath
5.exerting