[填空题]This（）(discover) of diamond came at time when there was a big demand.

[填空题]This（）(discover) of diamond came at time when there was a big demand.

[填空题]This ______ (discover) of diamond came at time when there was a big demand.

[填空题]Childhood is the time when there are few responsibilities to make life (11) . if a child has good (12) , he is fed, looked after and loved, whatever he may do. It is impossible that he will ever again in his life be given so much without having to do anything (13) . What’s more, life is always giving new things to the child — things that have (14) their interest for older people because they are too well-known. But a child has his (15) : he is not so free to do what he wishes to do; he is repeatedly being told not to do something, or being punished for what he has wrongly done.

[单项选择]There was a time when women were considered smart if they played dumb to a get a man, and women who went to college were more interested in getting a "Mrs. degree" than a bachelor’s. Even today, it’s not unusual for a woman to get whispered and unsolicited counsel from her grandmother that an advanced degree could hurt her in the marriage market. Despite the fact that more women than men now attend college, the idea that smart women finish last in love seems to hang on and on.
"There were so many misperceptions out there about education and marriage that I decided to sort out the facts," said economist Betsey Stevenson, an assistant professor at the Wharton School at the University of Pennsylvania. So along with Wharton colleague Adam Isen, Stevenson crunched national marriage data from 1950 to 2008 and found that the marriage penalty women once paid for being well educated has largely disappeared. "Marriage rates in the U.S. for college-educated women have risen enormously since
A. smart women usually seek grandmothers’ advice on marriage.
B. women are more eager to get a bachelor’s degree than get married.
C. women who play dumb in marriage are thought to be smart.
D. smart women are in unfavorable situation to get marrie

[单项选择]Who repaired the machine last time when there was something wrong with it
A. The man himself.
B. The woman herself.
C. The man from the shop.
D. The repairman from the repair shop.