2021-2022学年高中英语课时分层作业3SectionⅥ(含解析)牛津译林版必修2.docx
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1、课时分层作业(三)(建议用时:35分钟)语言知识练习固根底I .单句语法填空1. The man arrested last night has been charged with murder.2. There is a newspaper article attacking (attack) the Prime Minister.3. Lions and tigers are anima 1s belonging (belong) to the cat family.4. Scientists are convinced (convince) of the positive effect
2、of laughter on physical and mental health.5. To punish the chi Id, his mother had him standing (stand) in the sun.6. They are making their way to the supermarket where dozens of goods are at a discount.7. 一Could I sit here?-Sorry. These seats are reserved(reserve)for the elderly and disabled.8. The
3、bridge is similar in length(long)to the Yellow River Bridge.9. Tomorrow the nearsighted students will go to hospital to have their eyes examined(examine).10. He came to know that the knowledge from books can be useful only when it is 1 inked(link)with practice.11. .单句改错(每题仅有1处错误)1. Of the six people
4、 injured in the crash, only two surviving.survivingf survived2. This room is twice the long of the kitchen.Ilength3. It has been announced that he is suspected to be linked by the theft.by to/with4. We finally managed to make him convinced for the news.for-*of5. Each year dozen of students fail the
5、exam.dozenf dozens高考题型练习提能力I .阅读理解AResearchers have solved a long-standing mystery: why rocks on a flat lakebed inDeath Valley National Park in California sometimes move. Racetrack Playa, the waterless lakebed, is named for the long trails(痕迹)that the rocks, some of which weigh hundreds of pounds, l
6、eave in the earth.What was one of the worlds natural wonders now appears to be the perfect combination of rain, wind, ice and sun, scientists have found. Dr. Norris and James M. Norris, a cousin and co-author, actually saw the rocks moving in December when they went to check on the project.For their
7、 study, they used special global positioning system tools, designed by James Norris, in rocks of various sizes brought from outside the park. They were not allowed to move or change anything of the existing playa stones.No river flows into the playa, though rainwater sometimes fills part of it to a
8、depth of a few inches. It* s when this happens, and the nights are below freezing and the days are fine, that the rocks may sail , the researchers said. On those occasions, the cold night air leaves a sheet(薄片)of ice only an eighth of an inch thick. Then the warmth of the sun causes the sheet to bre
9、ak up. As more ice melts, on by light winds, the sheets push up against rocks. The wind drives the water, too, which also helps push the ice to some degree. The movement is slow, no more than about 15 feet a minute.The movements are episodic-the conditions may be just right for a few minutes, and th
10、en the sun causes more ice to break and the movement stops. And once the water disappears, it may be years before the rocks move again, even if the playa floods again, because the right temperature and wind conditions may not occur.【语篇解读】美国加州的赛马场盐湖常年干旱,而上面的石头为什么会移动呢?科学家已经破解了这一自然之谜。1. What do we know
11、 about Racetrack Playa?A. It has flat rocks in the earth.B. It is covered by rocks.C. It has some valleys.D. It is usually dry.D 细节理解题。根据第一段中的 “Racetrack Playa, the waterless lakebed和第 四段中的“No river flows into the playa可知,赛马场盐湖经常是干涸的。2. What was the park, s attitude to using GPS in the lakobcd,s sto
12、nes?A. It doubted the method.B. It was against doing so.C. It felt it was worth a try.D. It thought it was useless.B 推理判断题。根据第三段中的They were not al lowed to move or change anything of the existing playa stones可知,死亡谷国家公园不允许科学家在赛马场盐湖的石头 上使用全球定位系统。3. Why do the stones sail according to the Norrises?A. T
13、hey are moved by big floods.B. They move just because of strong winds.C. They are mainly pushed by wind-driven ice.【).They move very slowly on smooth ice sheets.C 细节理解题。根据第四段中的 MDriven by light winds, the sheets push up against rocks可知,两位科学家认为,石头周围形成的冰在风的作用下使得石头移动。4. What does the underl ined word “
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