About ________ of the workers in the factory were born in the ________.A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s

根据下面资料，回答题
German Prime Minister Otto Von Bismarck may be most famous for his 11 and diplomatic talent, but his contributions to the society include many of today′s social insurance programs. During the middle of the 19th century, Germany, along with other European nations, 12 an unusual outbreak of workplace deaths and accidents as a result of growing 13 . Motivated in part by Christian sympathy for the helpless as well as a practical political impulse to get the created of the socialist labor movement, Bismarck 14 the world′ s first worker′ s compensation law in 1884.
By 1908, the United States was the 15 industrial nation in the world that lacked workers′ compensation insurance. American′s injured workers could seek compensation in a court of law, but they still faced a number of tough legal barriers. 16 , employees had to prove that their injuries directly 17 employer′s lack of care and they themselves were ignorant about potential danger in the workplace. The first state workers′ compensation law in this country passed in 1911, and the program soon 18 throughout the nation.
After World War II, benefit payments to American workers did not 19 the cost of living. In fact, real benefit levels were lower in the 1970s than they were in the 1940s, and in most states the maximum benefit was below the poverty level for a family of four. In 1970, President Richard Nixon set up a national commission to study the problems of workers′ compensation. Two years later, the commission issued 19 key recommendations, 20 one that called for increasing compensation benefit levels to 100 percent of the states′ average weekly wages.

A.resulted in
B.stood for
C.resulted from
D.dealt with

Today ,as in every other day of the year ,more than 3000 U.S. adlescents will smoke their first cigarette on their way to becoming regular smokers as adults. During their lifetime,it can be expected that of these 3000 about 23 will be murdered,30 will die in traffic accidents, and nearly 750 will be killed by a smoking-related disease. The number of deaths attributed to cigarette smoking outweithts all other factors, whether voluntary or involuntary, as a cause of death.
Since the late 1970s, when daily smoking among high school seniors reached 30 precent , smoking rates among youth have declined . While the decline is impressive ,several important issues must be raised.
First, in the past several years,smoking rates among youth have declined very little. Second,in the late 1970s ,smoking among male high school seniors exceeded that among female by nearly 10 percent . The statistic is reversing.Third ,several recent studies have indicate high school dropouts have excessively high smoking rates, as much as 75 percent .
Finally, thouth significant declines in adolescent smoking have occurred in the past decade,no definite reasons for the decline exist. Within this context,the Naional Cancer Instiute (NCI) began its current effort to determine the most effecive measures to reduce smoking levesl among youth.
According to the author, the deaths among youth are mainly caused by _____.

a.traffic accidents
b.smoking-related desease
c.murder
d.all of these

What happened in the 1970s?

A The US government recommended the amount of food a restaurant gave to a customer.
B Health experts persuaded restaurants to serve smaller portions.
C The United States produced more grain than needed.
D The American waistline started to expand.

根据下面资料，回答题
German Prime Minister Otto Von Bismarck may be most famous for his 11 and diplomatic talent, but his contributions to the society include many of today′s social insurance programs. During the middle of the 19th century, Germany, along with other European nations, 12 an unusual outbreak of workplace deaths and accidents as a result of growing 13 . Motivated in part by Christian sympathy for the helpless as well as a practical political impulse to get the created of the socialist labor movement, Bismarck 14 the world′ s first worker′ s compensation law in 1884.
By 1908, the United States was the 15 industrial nation in the world that lacked workers′ compensation insurance. American′s injured workers could seek compensation in a court of law, but they still faced a number of tough legal barriers. 16 , employees had to prove that their injuries directly 17 employer′s lack of care and they themselves were ignorant about potential danger in the workplace. The first state workers′ compensation law in this country passed in 1911, and the program soon 18 throughout the nation.
After World War II, benefit payments to American workers did not 19 the cost of living. In fact, real benefit levels were lower in the 1970s than they were in the 1940s, and in most states the maximum benefit was below the poverty level for a family of four. In 1970, President Richard Nixon set up a national commission to study the problems of workers′ compensation. Two years later, the commission issued 19 key recommendations, 20 one that called for increasing compensation benefit levels to 100 percent of the states′ average weekly wages.

A.spread
B.promoted
C.stretched
D.placed

Today ,as in every other day of the year ,more than 3000 U.S. adlescents will smoke their first cigarette on their way to becoming regular smokers as adults. During their lifetime,it can be expected that of these 3000 about 23 will be murdered,30 will die in traffic accidents, and nearly 750 will be killed by a smoking-related disease. The number of deaths attributed to cigarette smoking outweithts all other factors, whether voluntary or involuntary, as a cause of death.
Since the late 1970s, when daily smoking among high school seniors reached 30 precent , smoking rates among youth have declined . While the decline is impressive ,several important issues must be raised.
First, in the past several years,smoking rates among youth have declined very little. Second,in the late 1970s ,smoking among male high school seniors exceeded that among female by nearly 10 percent . The statistic is reversing.Third ,several recent studies have indicate high school dropouts have excessively high smoking rates, as much as 75 percent .
Finally, thouth significant declines in adolescent smoking have occurred in the past decade,no definite reasons for the decline exist. Within this context,the Naional Cancer Instiute (NCI) began its current effort to determine the most effecive measures to reduce smoking levesl among youth.
By "dropout" the author means___.

a.students who failed the examination
b.students who left school
c.students who lost their way
d.students who were driven out of school