영어2 능률 오선영 1과 문장별 빈칸 넣기

One evening in ____ November 1932, a bitterly cold wind blows fiercely as two figures emerge from a laboratory.

Darkness begins to fall as they set out into a world of ____ banks, collapsed industry, and widespread despair—a world ruined by three years of the Great Depression.

The ____ has come to an end, but for Pearl Kendrick and Grace Eldering, a different kind of work is about to begin.

They are on their way to visit the homes of children suffering from a deadly ____ called pertussis.

The two women go from home to home collecting samples from the sick children by the faint light of their ____.

They listen to the tragic stories of desperate and ____ parents as the children, coughing uncontrollably and struggling to breathe, barely hold on to life.

Pertussis is a bacterial disease characterized by serious coughing, breathing difficulties, and the high-pitched “whooping” sound that ____ with the disease make as they try to breathe in.

Because of this distinct sound, people ____ to call the disease “whooping cough.”

For a long time, this terrible illness was one of the greatest terrors of families with young children, because babies who contracted it had a ____ chance of dying.

In the 1930s, an average of 6,000 people died of whooping cough in the United States ____ year.

____ percent of them were children under five years of age.

The cause of the disease had been ____ in 1906, but the vaccines that had been developed were ineffective.

Scientists and researchers worked for more than 20 years to ____ an effective one, but their efforts were fruitless — until Kendrick and Eldering came along.

Pearl Kendrick studied ____ in university and was recruited by the Michigan Department of Health in 1920.

It was there that she met fellow ____ Grace Eldering.

The two quickly bonded, and in 1932 they started working together on a vaccine for ____ cough.

Personal experience served as motivation for both of them, as they had ____ survived whooping cough as children themselves and remembered the severe pain of the disease.

Both scientists were ____ eager to promote children’s health.

Unfortunately, ____ funding was extremely limited due to the Great Depression.

Also, Kendrick and ____ had to develop the vaccine as a side project.

It was like having a second job for ____ they never received any payment.

Still, when they finished their normal duties each day, they would get started on the work that they were ____ about.

The ____ they faced did not stop them from persisting toward their goal.

They did not do the ____ to make extra money; instead, they worked to relieve the suffering of innocent children and their families.

They began the ____ of developing their vaccine by gathering samples of the bacteria that cause whooping cough.

To support them, local doctors and nurses provided “cough plates” from their ____.

The patients coughed onto a ____ dish, which was then put into an incubator.

This allowed the bacteria to grow into ____ that Kendrick and Eldering could analyze.

When they collected samples on their ____, they would go to the homes of sick children.

Each time, they were ____ once again of the dreadful suffering caused by the disease.

The sight of these innocent young victims coughing and ____ to breathe was a powerful reminder of the urgent need for an effective vaccine.

Kendrick and Eldering spent many long nights studying the bacteria and finally produced a potential ____.

Before they performed any clinical trials, though, they ____ to be certain that it would not have any negative side effects on the subjects.

They ran many laboratory ____, and they even injected it into themselves to confirm that it was safe.

From 1934 to ____, they conducted their first field test with 1,592 children.

In the group of 712 vaccinated children, only four developed whooping cough, and none of these ____ were serious. 

Despite the apparent success of the ____, Kendrick and Eldering wanted further confirmation of its effectiveness.

They became determined to expand their research and run more tests with ____ groups of children.

However, they were unable to proceed because they were ____ a severe lack of funds.

With thousands of children continuing to suffer from the ____, they found themselves in a desperate situation.

Luckily, they got ____ from an unexpected figure.

In 1936, ____ Lady Eleanor Roosevelt herself visited the laboratory and saw with her own eyes the efforts that Kendrick and Eldering were making in their battle against whooping cough.

____ Roosevelt, whose husband suffered from polio, was interested in fighting infectious diseases.

She spent ____ with the women and came to realize the enormous importance of their work.

With her help, Kendrick and Eldering were able to ____ enough funding to conduct a large-scale trial.

By 1937, Kendrick and Eldering were able to include more than 4,200 ____ in their trial.

Just as in their first field test, the ____ group demonstrated a high level of immunity against the disease.

The scientific community was amazed at the results, and, in 1940, the vaccine started being distributed all across the ____ States.

Four years ____, it was added to the American Medical Association’s list of recommended immunizations, and soon after, there was a dramatic decline in whooping cough infections.

In the mid-1970s, the number of annual deaths caused by ____ cough, which had reached 7,518 in 1934, dropped to under 10.

Kendrick and Eldering were often told that they could have become very wealthy if they ____ patented their vaccine.

However, they replied that it ____ not been created by them alone, but with the help of many others.

They also avoided personal interviews, ____ wanting to reveal the great contribution they had made.

They said that they had genuinely enjoyed the challenge of ____ the vaccine, so the excessive praise that they received made them uncomfortable.

In the end, knowing that so many lives were being saved thanks to their hard ____ was enough of a reward for these remarkable and modest heroes.