【推荐3】This morning I was reading a book outside my favorite beachside coffee shop when an 18-year-old boy sat down next to me and said, “The ______   in your hands is great, isn’t it?” I closed the book and we started ______ .

He told me he was getting ready to ______   high school next week and then started his college life in the fall. But he had no ______ what he wanted to do with his life.

He asked me many questions, and I ______ them as well as I could, trying to give ______ advice with the time I had. And after a half-hour conversation, he thanked me and we parted ways.

But on my way home I realized the ______ I had with that 18-year-old boy was ______ quite nostalgic (令人怀念的) . He made me ______ the time when I was his age, more than twenty years ago. I had so many ______ back then. So, I started thinking about his questions again, and I began remembering all the helpful little things someone told me ______ I was 18.

The ______ is that you’d better do your best, one ______ , not all at once. And above all, laugh when you can, apologize when you should, and let go of what you can’t ______ when everything develops. Life is short, yet ______ . Enjoy the ride!

【推荐1】There were few areas of science which Robert Hooke’ didn’t risk trying. This 17th century scientist was ________ for contributing to our knowledge of everything from mathematics and mechanics to biology and astronomy.

Robert Hooke began his series of interests as a keen ________. He lived with his parents until the age of 13. Being a sickly child, he was a latecomer to ________. Instead of attending school, he spent much of his childhood drawing. But his lack of an early education didn’t ________ Hooke realizing his genius. It was his later entrance to Westminster School that would ________ him down a scientific path. Here he discovered that his talents lay beyond ________, particularly in mathematics, mechanics and languages.

Hooke’s ________ scientific interests helped set the society in motion during its early years. Many people are ________ of Hooke’s work in microscopy, but in 1653, at the age of 18, Hooke ________ Christ Church College at Oxford, where he spent much time building telescopes. Shortly after in 1660, he discovered a physical law that would later be ________ after him: Hooke’s law. Hooke is best known for discovering and ________ the living cell. He became the first to examine different fossil types with a microscope and he ________ how mosquitoes suck blood.

After the Great Fire of London in 1666, Hooke was given the opportunity to try his ________ at architecture to design a monument and decided to ________ some practicality to the aesthetic (美学). ________ this 60-metre-tall structure, Hooke built an underground ________ where he could conduct science experiments, while the central passage was built to ________ a large telescope.

Since his death in 1703, scientists continue to be ________ and benefit from Hooke’s findings. As he quotes in his book Micrographia, “By the means of ________, there is nothing so far distant but maybe represented to our view; and by the help of microscopes, there is nothing so ________ as to escape our inquiry.”

【推荐2】In the mid-20th century, boys could study technical subjects while girls were expected not. However, Bell Burnell’s parents challenged these ________, which enabled her to study science. Bell Burnell knew before leaving school that she wanted to be a radio astronomer. That ________ led her to go to the University of Glasgow, where she was the only ________ in her class. After graduation, Bell Burnell went to Cambridge University, where she yet again had to prove that she ________.

Her first project, working with her thesis supervisor (论文导师) Hewish, was ________ certain objects called quasars (类星体). It was ________ to have a female student on this project. Bell Burnell herself has said that the only other females ________ were secretaries. At this stage, it was she who ________ the telescope and analyzed the data.

One day, checking on the data, Bell Burnell saw a signal that she couldn’t ________. To understand what it was she ended up bringing this ________ to Hewish, who said it was interference. He thought that Bell Burnell had wired up the radio telescope ________ and that is why the new signal had appeared. However, she saw the signal again afterwards. ________, she tried to reach Hewish. Once he ________ the pulse with his own eyes, he knew it wasn’t interference, and a new research project began. But, with just one pulse it was hard to have a(n) ________ discovery.

A couple of days later, Bell Burnell was in her study, and she saw something ________ to the first pulse, and thus 2 pulsars were discovered.

【推荐3】Gu Fangzhou was known as “the father of sugar pills” for an oral polio vaccine (骨髓灰质炎疫苗) he developed which _________ reduced the disease incidence rate.

Born in 1926, he faced a _________ time with his father’s death. In school, he was teased for his poverty-stricken status. _________ unfavorable conditions, he _________ admission at Beijing University. He _________ his early success to his mother’s _________. Motivated by medical experts, Gu was determined to turn around the public health sector for the better.

In 1955, a disastrous _________ of polio infected 1,680 people, which resulted in 466 deaths. The government _________ Gu to lead polio research. He made up his mind to invent a(n) _________ vaccine for the poor patients and to __________ polio.

To eradicate (彻底消灭) polio, it’s essential to ensure a cold chain for the vaccines. However, it was __________ to provide freezers in rural areas. The __________ was achieved when Gu succeeded in developing sugar-coated pills. To test the __________, he took the pills himself and started the human __________. He even gave the pills to his son and __________ his colleagues to do the same. “If I don’t believe in what my team produce, how can others?” said Gu when he __________ this trial.

After extensive testing, the pills were made available. The sweet taste made it easy to give the pills to kids and the pills were easy to __________ for rural communities without freezers. In 2000, Gu __________ China’s confirmation report on polio eradication as a representative with WTO. “We feel __________ that kids will no longer get polio,” said Gu. “That’s what we __________.”