三级aa视频在线观看-三级国产-三级国产精品一区二区-三级国产三级在线-三级国产在线

C

I left university with a good degree in English Literature, but no sense of what I wanted to do. Over the next six years, I was treading water, just trying to earn an income. I tried journalism, but I didn’t think I was any good, then finance, which I hated. Finally, I got a job as a rights assistant at a famous publisher. I loved working with books, although the job that I did was dull.

I had enough savings to take a year off work, and I decided to try to satisfy a deep-down wish to write a novel. Attending a Novel Writing MA course gave me the structure I needed to write my first 55,000 words.

It takes confidence to make a new start — there’s a dark period in-between where you’re neither one thing nor the other. You’re out for dinner and people ask what you do, and you’re too ashamed to say, “Well, I’m writing a navel, but I’m not quite sure if I’m going to get there.” My confidence dived. Believing my novel could not be published, I put it aside.

Then I met an agent（代理商）who said I should send my novel out to agents. So, I did and, to my surprise, got some wonderful feedback. I felt a little hope that I might actually become a published writer and, after signing with an agent, I finished the second half of the novel.

The next problem was finding a publisher. After two-and-a-half years of no income, just waiting and wondering, a publisher offered me a book deal — that publisher turned out to be the one I once worked for.

It feels like an unbelievable stroke of luck — of fate, really. When you set out to do something different, there’s no end in sight, so to find myself in a position where I now have my own name on a contract（合同）of the publisher — to be a published writer — is unbelievably rewarding（有回報的）.

49. What does the underlined part in Paragraph 1 mean?

A. I was waiting for good fortune. B. I was trying to find an admirable job. C. I was being aimless about a suitable job. D. I was doing several jobs for more pay at a time.

50. The author decided to write a novel ______ .

A. to finish the writing course B. to realize her own dream C. to satisfy readers’ wish D. to earn more money

51. How did the writer feel halfway with the novel?

A. Disturbed. B. Ashamed. C. Confident. D. Uncertain.

52. What does the author mainly want to tell readers in the last paragraph?

A. It pays to stick to one’s goal. B. Hard work can lead to success. C. She feels like being unexpectedly lucky. D. There is no end in sight when starting to do something.

D

In a recent announcement, Harvard and the Massachusetts Institute of Technology（MIT）said that they have joined forces to offer free online courses in an effort to attract millions of online learners worldwide.

Beginning this fall, a number of courses developed by teachers at both universities will be offered online through a new $60 million program, known as edX. “Anyone with an Internet connection anywhere in the world can use our online courses,” Harvard President Drew Faust said during a meeting to announce the plan.

MIT has offered a program called OpenCourseWare for ten years that makes materials from more than 2,000 classes free online. It has been used by more than 100 million people. In December, the school announced it also would begin offering a special certificate, known as MITx, for people who complete certain online courses. Harvard has long offered courses to a wider population through a similar program.

The MITx will serve as the foundation for the new learning platform.

MIT President Susan Hockfield said more than 120,000 people signed up for the first MITx course. She said Harvard and MIT hope other universities will join them in offering courses on the open-source edX platform.

“Fasten your seatbelts,” Hockfield said.

Other universities, including Stanford, Yale and Carnegie-Mellon, have been experimenting with teaching to a global population online.

The Harvard-MIT program will be monitored by a not-for-profit（非盈利的）organization based in Cambridge, to be owned equally by the two universities. Both MIT and Harvard have provided $30 million to start the program. They also plan to use the edX platform to research how students learn and which teaching methods and tools are most successful.

53. According to this text, edX is _______.

A. a part of the free MIT OpenCourseWare B. a free computer program by MIT and Harvard C. a Harvard-MIT platform of free online courses D. a free program online for universities worldwide

54. What is said about online education in the text?

A. Universities have been trying online courses. B. About 2,000 online courses have been offered. C. Over 100 million people have finished courses online. D. Stanford and Yale together have courses similar to edX.

55. The underlined part in the text probably means “ ”.

A. Get ready for the difficulties B. Get ready for this educational change C. Get prepared to complete the online courses D. Get prepared to make materials for the edX courses

56. What can be said about MITx according to the text?

A. It is first offered as part of the edX learning program. B. It is another free MIT-Harvard online learning program. C. It is a standard to recognize online learners’ achievement. D. It is a new kind of free online course of Harvard and MIT.

E

Plants are flowering faster than scientists predicted（預測）in reaction to climate change, which could have long damaging effects on food chains and ecosystems.

Global warming is having a great effect on hundreds of plant and animal species around the world, changing some living patterns, scientists say.

Increased carbon dioxide（CO2）in the air from burning coal and oil can have an effect on how plants produce oxygen, while higher temperatures and changeable rainfall patterns can change their patterns of growth.

“Predicting species’ reaction to climate change is a major challenge in ecology,” said the researches of several U.S. universities. They said plants had been the key object of study because their reaction to climate change could have an effect on food chains and ecosystem services.

The study, published on the Nature website, uses the findings from plant life cycle studies and experiments across four continents and 1,634 species. It found that some experiments had underestimated（低估）the speed of flowering by 8.5 times and leafing by 4 times.

“Across all species, the experiments under-predicted the speed of the advance — for both leafing and flowering — that results from temperature increases,” the study said.

The design of future experiments may need to be improved to better predict how plants will react to climate change, it said.

Plants are necessary for life on the Earth. They are the base of the food chain, using photosynthesis（光合作用）to produce sugar from carbon dioxide and water. They let out oxygen which is needed by nearly every organism on the planet.

Scientists believe the world’s average temperature has risen by about 0.8℃ since 1900, and nearly 0.2℃ every ten years since 1979.

So far, efforts to cut emissions（排放）of planet-warming greenhouse gases are not seen as enough to prevent the Earth heating up beyond 2℃ this century — a point scientists say will bring the danger of a changeable climate in which weather extremes are common, leading to drought, floods, crop failures and rising sea levels.

57. What is the key information the author wants to give in Paragraph 1?

A. Plants’ reaction to weather could have damaging effects on ecosystem. B. The increasing speed of flowering is beyond scientists’ expectation. C. Climate change leads to the change of food production patterns. D. Food chains have been seriously damaged because of weather.

58. We can learn from the study published on the Nature website that ______.

A. plants’ flowering is 8.5 times faster than leafing B. there are 1,634 plant species on the four continents C. scientists should improve the design of the experiments D. the experiments failed to predict how plants react to climate change

59. Scientists pay special attention to the study of plants because _______.

A. they can prove the climate change clearly B. they are very important in the food chains C. they play a leading role in reducing global warming D. they are growing and flowering much faster than before

60. What can be inferred from the last two paragraphs about the world’s temperature?

A. It has risen nearly 0.2℃ since 1979. B. Its change will lead to weather extremes. C. It is 0.8℃ higher in 1979 than that of 1990. D. It needs to be controlled within 2℃ in this century.