[单项选择]It is hard to tell whether we are going to have a boom in the economy or a （）
A. concession
B. recession
C. submission
D. transmission

[单项选择]It is hard to tell whether we are going to have a boom in the economy or a （）
A. concession
B. recession
C. submission
D. transmission

[单项选择]It is hard to tell whether the country is going to have an economic boon, or a （　）
A. confession
B. submission
C. recession
D. transmission

[单项选择]For a long time we have worked hard at isolating the individual family. This has increased the mobility of individuals; and by encouraging young families to break away from the older generation and the home community, we have been able to speed up the acceptance of change and the rapid spread of innovative behavior. But at the same time we have burdened every small family with tremendous responsibilities once shared within three generations and among a large number of people—the nurturing of small children, the initiation of adolescents into adulthood, and care of the sick and disabled and the protection of the aged. What we have failed to realize is that even as we have separated the single family from the larger society, we have expected each couple to take on a range of obligations that traditionally have been shared within a family and a wider community.
So all over the world there are millions of families left alone, as it were, each in its own box —parents faced with the spe

[单项选择]Only time will tell if we ______.
A. had been succeeded
B. have been success
C. had been successful
D. have been successful

[单项选择]

After a day’ s hard work, we need some sleep. During the sleep, the fatigue(疲劳) of the body disappears and recuperation(恢复) begins. The tired mind gathers new energy, and the memory improves.
Some adults require little sleep; others need eight to ten hours in every twenty-four hours. Infants (婴儿) sleep sixteen to eighteen hours daily, the amount gradually diminishing as they grow older. Young students may need twelve hours ; university students may need ten. A worker with a physically demanding job may also need ten, whereas an executive working under great pressure may manage on six to eight. Many famous people have little sleep. Napoleon Bonaparte, Thomas Edison and Charles Darwin apparently averaged only four to six hours a night.
Whatever your individual need, you can be sure that by the age of thirty you will have slept for a total of more than twelve years. By that age you will also have developed a sleep routine: a favorite hour, a favorite bed, a fav
A. never fall asleep
B. not sleep well
C. lose his memory
D. begin to daydream