Because fuel supplies are finite and many people are wasteful, we will have to install ______ solar heating device in our home.
Many diseases that used to be considered ______ of mankind are now easily treatable with antibiotics.
无神论
DINK
My wealthy aunt exceeds the trait of being economical. She is so ______ that she washes paper plates to be used again.
The old lady has developed a ______ cough which cannot be cured completely in as hort time.
landing gear
He was so ______ in the TV program that he forgot to turn the oven off.
年度风云人物
ICAO
Even though the folktales Perroult collected and retold were not solely French in origin, his versions of them were so decidedly French in style that later anthologies of French folktales have never ______ them.
Ocean waves can cut imposing cliffs along coastlines.
double dip
The elderly need special care in winter, as they are _______ to the sudden change of weather.
不正之风
外交部
保健食品
James has just arrived, but I didn't know he ______ until yesterday.
ENS
Parents make many ______ for their children, which in turn creates children's further emotional dependence on them.