配套K12[学习]2019版高考英语一轮复习 Unit 1 Great scientists夯基

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Unit 1 Great scientists

Ⅰ.阅读理解

(2017河南鹤壁高级中学9月周练)

Edmund Halley was an English scientist who lived over 200 years ago. He studied the observations of comets (彗星) which other scientists had made. The orbit(轨道)of one particular comet was a very difficult mathematical problem. He could not figure it out. Neither could other scientists who dealt with such problems.

However, Halley had a friend named Isaac Newton, who was a brilliant mathematician. Newton thought he had already worked out that problem, but he could not find the papers on which he had done it. He told Halley that the orbit of a comet had the shape of an ellipse(椭圆形).

Then Halley set out to work. He figured out(计算出)the orbits of some of the comets that had been observed by other scientists. He made a surprising discovery. The comets that had appeared in the years 1531, 1607, and 1682 all had the same orbit. Yet their appearance had been 75 to 76 years apart.

It seemed very strange that three different comets followed the same orbit. The more Halley thought about it, the more he thought that there had not been three different comets as people thought. He believed that they had simply seen the same comet three times. The comet had gone away and had come back again.

It was an astonishing idea! Halley felt certain to make a prediction(预言)of what would happen in the future. He predicted that this comet would appear in the year 1758.There would be 53 years to go before Halley’s prediction could be tested. In 1758 the comet appeared in

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the sky. Halley did not see it, for he had died some years before. Ever since then that comet had been called Halley’s Comet in his honor. 1.Edmund Halley discovered .

A.some different comets appearing several times B.the same comet appearing in different orbits C.three different comets appearing in the same orbit D.several comets appearing at the same time 2.Halley made his discovery . A.by doing experiments

B.by means of his own careful observation C.by using the observations of other scientists D.by chance

3.Halley made a surprising but correct prediction in the year . A.1704 B.1705 C.1706 D.1707

4.This passage in general is about . A.Halley and other scientists B.the orbit of a comet C.Newton and Halley D.Halley and his discovery

Ⅱ.七选五

(2018安徽合肥高三调研)

How to Set Goals

Whether you have small dreams or high expectations, setting goals allows you to plan how you want to move through life. Some achievements can take a lifetime to attain, while others can be completed within a day. 1

●Determine your life goals. Ask yourself some important questions about what you want in your life. What do you want to achieve today, in a year and in your lifetime? The answers to this question can be as general as“I want to be happy.”or“I want to help people.” 2

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●Set specific goals. Be specific and realistic about what it is that you want to achieve. Research shows that setting a specific goal makes you more likely to achieve it. 3 For example,“Be healthier.”is too big and vague to be a helpful goal.“I want to eat more vegetables, and I want to run a marathon.”is better.

●Write down your goals. Be detailed, be clear. 4 Keep your list in a place where you can get informed frequently. This will help keep you motivated.

● 5 You may have set your broad life goals, and then take your time to re-evaluate your smaller goals. Are you accomplishing them according to your timeline? Are they still necessary for keeping you on track for your larger life goals? Allow yourself the flexibility to make some small changes to your goals. A.Adjust your goals.

B.Track and measure your progress.

C.Having deadlines will keep you motivated.

D.Consider what you hope to achieve in 10,15, and 20 years. E.Here are some important ideas that you may find helpful. F.Writing them down tends to make them look a little more real. G.Remember that you may need to turn large goals into smaller goals. Ⅲ.完形填空

Every week or so, I buy a bouquet of fresh flowers for my wife. I don’t smoke or have any particular bad habits on which I need to 1 money. So I decided I would put my money to good use by bringing 2 of beauty to the one who brings beauty into my world.

Just yesterday I 3 by the florist’s down the street and for the very first time I discovered a rock tree. The tree does not 4 rocks, although jokingly I told the florist I 5 knew until now where rocks came from.

The approximately six-foot-tall tree had 6 hanging on four branches. Each was placed at four points as if to 7 balance. In fact the woman told me that is 8 to create balance. She read about it in an oriental Book .

The tree was planted there 9 it died. It seemed to have little chance to 10 there. The Book said that 11 balancing the tree and weighting it down, it would have a better chance of survival.

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In recent months I have discovered the 12 principle also applies to our lives. Often at times the reason why we 13 in achieving our goals and dreams is that our lives are not balanced properly. 14 when you are considered as the person who works too much, everything else including your marriage and family life will 15 .

In my mind the four corners of a balanced and 16 life are as follows: spiritual, family, personal and professional. They are in fact in order of 17 . Just like the tree, when we learn to balance our lives, our roots grow 18 . When we open ourselves to the nourishment(营养), it 19 us with a balanced life and the fruits of our efforts are abundant in all four areas. Strong 20 help us to stand tall against the most destructive storms. 1.A.save

B.cost

C.waste

D.make

D.everything

D.stopped

2.A.something 3.A.wandered 4.A.bring 5.A.always 6.A.rocks 7.A.find

B.nothing

C.anything

C.left

B.arrived B.bear

C.become D.absorb D.never

D.branches

B.often

C.already

B.leaves B.enjoy

C.notes

C.keep D.lose

D.slowly

8.A.finally 9.A.when

B.exactly

B.after B.work

C.luckily C.until

D.before

D.rise

10.A.play 11.A.by

C.survive C.with C.other

B.in

D.on D.last

D.fail

12.A.next 13.A.wait

B.same B.regret

C.stay

14.A.Especially 15.A.happen 16.A.rich 17.A.safety

B.Unlikely B.change

C.Strangely

D.Specially

D.appear D.common D.importance D.farther

C.suffer

C.hard

B.successful

B.difficulty

C.interest C.higher

18.A.stronger 19.A.includes

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B.thinner B.protects

C.provides D.prevents