【题目】The greatest scientific breakthroughs of 2014 have affected all aspects of modern life, from medicine, to space exploration, to the future of renewable technologies. Scientists all over the globe are publishing their findings and treating patients with new medicines and techniques that are changing everyday life for the human race, and adding to our vast banks of scientific knowledge.
Irish teens make a breakthrough in crop yields（产量）
16-year-old Ciara Judge, Emer Hickey, and Sophie Healy-Thow won the Google Science Fair2014, with their project “Natural Bacteria Fighting World Hunger”.
While learning about the food shortage in Africa, the three teens got thinking about how they could help. What they found may change the future of worldwide food production.. They experimented and were able to reduce germination（发芽）time by 50%and increase plants’ yield by up to 74%.
This could create the possibility of increased crop yields and reducing crop loss due to bad weather.
Cancer is cured?
In May 2014, the Mayo Clinic published a study in which they treated a 50-year-old female patient’s blood cancer with the measlesvaccine（麻疹疫苗）.After receiving the vaccine, Stacy Erholtz’s body is completely free of cancer.
Stephen Russell, who led the research, said, “It’s a landmark. We’ve known for a long time that we can introduce a virus into the blood and destroy cancer in mice. Nobody’s shown that you can do that in people before.” The measles vaccine will not work for all types of cancer, but is an unbelievable step forward.
Water found on Saturn’s moon Enceladus
In April, scientists announced that NASA’s Cassini spacecraft discovered a body of water on Enceladus, a moon of Saturn（土星）. Enceladus is an icy moon about 300 miles in diameter （直径）.and its mysterious body of water appears to be 5 miles deep, around the size of Lake Superior.
Scientists have also discovered that the body of water features a rock is a possible sign of conditions good for the development of life.
【1】The text is mainly about _______.
A. the new findings in medicine
B. the greatest scientists in 2014
C. the new techniques in space exploration
D. the greatest scientific breakthroughs of 2014
【2】 What’s the aim of the three Irish teens’ Project?
A. To attract Google’s attention.
B. To do research on Africa’s soil.
C. To solve the problem of world hunger..
D. To understand different plants’ germination time.
【3】 What can be inferred about the Mayo Clinic’s study?
A. Blood cancer is very is very easy to cure.
B. All kinds of cancer will be cured soon.
C. Medical experiments on people are not allowed.
D. The research is a breakthrough in cancer treatment.
【4】What can we infer from the last paragraph?
A. Enceladus is a warm moon
B. Enceladus may be suitable for life.
C. Enceladus is as big as Lake Superior.
D. Enceladus has several rocky sea floors.
【答案】
【1】D
【2】C
【3】D
【4】B
【解析】
试题分析：这篇文章主要讲述了2014年科学上的一些重大突破，主要讲述了三个主要的突破，分别是关于农业、医学和太空。
【1】D 考查主旨大意题。根据文章第一段的第一句话The greatest scientific breakthroughs of 2014 have affected all aspects of modern life, from medicine, to space exploration, to the future of renewable technologies.可知，文章主要讲述的是2014年的主要科学突破，故选择D。
【2】C 考查主旨大意题。根据文章第一个小标题Irish teens make a breakthrough in crop yields（产量）可知这三个青少年的目的是为了帮助增加产量，也就是为了帮助解决全球饥荒问题，故选择C。
【3】D 考查推理判断题。根据文章中的In May 2014, the Mayo Clinic published a study in which they treated a 50-year-old female patient’s blood cancer with the measlesvaccine （麻疹疫苗）.After receiving the vaccine, Stacy Erholtz’s body is completely free of cancer.可知这个研究是关于癌症治疗的。
【4】B 考查推理判断题。根据文章最后一段中的Scientists have also discovered that the body of water features a rock is a possible sign of conditions good for the development of life.可知这个星球可以存在生命，故选择B，可以推测的是这个星球可能适合生命。
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