1．In the 1970s，an opera company_______a new production of‘King Lear'，in which Patrick Magee starred．（ ）
| A． | staged | B． | had staged | C． | was staged | D． | has been staged |
14．The steady increase in women having babies later in life is undeniable．First-time mothers are more likely to be 35or older than their counterparts （对应者） from two decades ago，according to the Pew Research Center．While the number of first-time moms between ages 20 and 24 falls，the number of births to women in their 30s and 40s keeps growing．In addition，recent wide-ranging studies have found significant long-term benefits in waiting to have babies．These benefits counterbalance （抵消） some worries about being an older mother and the effects it may have on children．
Longevity for women who wait
A study in the journal Menopause examined older mothers'life expectancy （寿命） and found that women who had their last child after the age of 33 are more likely to live to 95．In fact，researchers reported that these women had twice the chance of living to 95 or older than those who had their last child before their 30th birthday．The news for women having babies after 40 is equally promising．
Boosted brainpower for older mothers
It's also possible that later pregnancies （怀孕） protect against cognitive decline．Researchers at the University of Southern California found that women have better brainpower if they have their last baby after age 35．The researchers looked at the pregnancy history of a group of 830 women ages 41 to 92．Their research provides strong evidence of a positive association between later age at last pregnancy and late-life cognition．
Increased income over time
There's a measurable link between the age you have your first child and income gains and losses．Women who start their families when they are older are likely to increase their earning potential．
Educational and emotional support for children
Older parents who are less stressed about income or job security tend to be more patient and can spend more time with their children．Parents who have more secondary education can also offer more specific stimulation to their children，which can be helpful for development．An investigation of 8-to 12-year-olds explored how specific parenting beliefs and behaviors-such as reading，constructive play and emotional support-affected child development．The research published in the Journal of Family Psychology found that parent education and income positively affect child achievement．
Having babies later in life
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Longevity for women who wait
A study in the journal Menopause examined older mothers'life expectancy （寿命） and found that women who had their last child after the age of 33 are more likely to live to 95．In fact，researchers reported that these women had twice the chance of living to 95 or older than those who had their last child before their 30th birthday．The news for women having babies after 40 is equally promising．
Boosted brainpower for older mothers
It's also possible that later pregnancies （怀孕） protect against cognitive decline．Researchers at the University of Southern California found that women have better brainpower if they have their last baby after age 35．The researchers looked at the pregnancy history of a group of 830 women ages 41 to 92．Their research provides strong evidence of a positive association between later age at last pregnancy and late-life cognition．
Increased income over time
There's a measurable link between the age you have your first child and income gains and losses．Women who start their families when they are older are likely to increase their earning potential．
Educational and emotional support for children
Older parents who are less stressed about income or job security tend to be more patient and can spend more time with their children．Parents who have more secondary education can also offer more specific stimulation to their children，which can be helpful for development．An investigation of 8-to 12-year-olds explored how specific parenting beliefs and behaviors-such as reading，constructive play and emotional support-affected child development．The research published in the Journal of Family Psychology found that parent education and income positively affect child achievement．
Having babies later in life
| Common phenomenon | It can't be （71）denied that the number of women having babies later in life is steadily （72）increasing/growing． | |
| Long-term （73）benefitsin waiting to have babies | Longevity for women who wait | （74）Compared with those who had their last child before 30，women giving （75）birth to last child after 33 or even 40 are more likely to live to 95 or older． |
| Boosted brainpower for older mothers | •Later pregnancies prevent late-life cognition from （76）declining/decreasing． •Research on 830 women proves that there is a （77）positiveassociation between later age at last pregnancy and late-life cognition． | |
| Increased income over time | Older mothers have the potential of increasing their income in the future． | |
| Educational and （78）emotional support for children | •（79）Besides more patience and more time，older parents with higher income and education can also offer specific stimulation to children． •Specific parenting beliefs and behaviors have influence on child （80）development． | |