明清時期，在江南、華南的一些地區(qū)，經(jīng)濟作物的種植面積擴大，傳統(tǒng)的糧食生產(chǎn)比重降低。這一現(xiàn)象表明，明清時期上述地區(qū)

A．農(nóng)業(yè)生產(chǎn)出現(xiàn)衰退 B．人口變動導(dǎo)致糧食需求減少

C．普通農(nóng)戶收益銳減 D．農(nóng)產(chǎn)品商品化趨勢明顯

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：廣西省桂林市2017屆高三下學(xué)期適應(yīng)性考試英語試卷 題型：完形填空

Falling off a box car and landing on my head, I lost my sight when I was four years old. Now I am thirty-two. I can _________ remember the brightness of sunshine. It would be wonderful to see again, _________a tragedy can do strange things to people.

It _________ to me that I might not have come to love life as I do now if I hadn’t been blind. My parents and my teacher saw something _________ me , and they made me want to __________ against blindness.

The hardest _________ I had to learn was to believe in myself. If I hadn’t been able to do that, I would have ________ down and become a chair rocker for the rest of my life. When I say _________in myself I am not talking about _________ the kind of self-confidence that _________ me down an unfamiliar staircase （樓梯）alone. But I mean something bigger than that : an assurance that I am a real positive person _________ imperfections.

It took me years to obtain this ________ . It had to start with the ________ . Once a man gave me an indoor _________ . “ I can’t use this.” I said. “ Take it with you,” he ________ me , “ and roll it around.” The _________ stuck in my head. “ Roll it around !” By rolling the ball I could hear where it went. This gave me an idea how to achieve a goal I had thought _________ . At the School for the Blind I ________ a new kind of baseball called ground ball. All my life I have set a series of goals and then tried to reach them, one at a time. I had to learn my _________ . I would fail sometimes anyway but on the average I made _________ .

1.A. randomly B. abruptly C. roughly D. completely

2.A. so B. but C. thus D. and

3.A. occurred B. referred C. brought D. turned

4.A. of B. for C. to D. in

5.A. get B. fight C. find D. drop

6.A. method B. experience C. lesson D. manner

7.A. broken B. put C. settled D. lay

8.A. courage B. ambition C. belief D. power

9.A. firmly B. simply C. fairly D. slightly

10.A. stops B. helps C. finds D. gives

11.A. despite B. besides C. without D. unlike

12.A. description B. existence C. intelligence D. recognition

13.A. intelligence B. incident C. trouble D. determination

14.A. chair B. baseball C. game D. design

15.A. urged B. blamed C. greeted D. teased

16.A. goals B. words C. baseballs D. ideas

17.A. valuable B. reasonable C. impossible D. unbearable

18.A. discovered B. equipped C. formed D. invented

19.A. limitations B. Advantages C. puzzles D. personalities

20.A. sense B. progress C. mistakes D. friends[

查看答案和解析>>

科目：高中英語 來源：山西省太原市2017屆高三第三次模擬英語試卷 題型：閱讀理解

Dear Parents:

I’m delighted that you are considering the British International School for your children’s education. Our school offers first class international education delivered by experienced, highly qualified and professional staff.

We aim to provide a high quality British-style education characterized by:

The arrangement of the English National Curriculum to meet the needs of international and local students and offering an insight into the local culture.

High quality teaching provided by international and local staff.

A broad personal development of students that encourages independence, confidence, tolerance, good manners and respect.

A recognition of the school-parent partnership in the successful education of the children.

An acknowledge that all students are individuals who deserve an environment to help realize their academic and other potential, thereby preparing them for their chosen continued education and career.

A safe, caring, happy and stimulating environment benefiting from high quality facilities.

Our school provides an effective framework for education through a broad, balanced, and monitored curriculum. As students advance through the school, we ensure that their needs are met through progressive teaching and learning. Although our curriculum is based upon the National Curriculum for England, it is adapted as appropriate, to ensure suitability for our diverse student body. Thus, we strive for the development of transferable skills through the years of school, as well as the acquisition of a broad body of knowledge.

Students are given opportunities to develop many skills. These include skills in language, in science, technology and mathematics, in the aesthetic(審美的) and creative fields of music, drama and art, and in physical education.

We insist that students act in a responsible manner toward all members of society. Throughout the school, students are taught to distinguish between right and wrong and show consideration for others. The qualities of honesty, kindness and good manners are always encouraged. Our friendly atmosphere provides a secure and happy environment in which children can grow and flourish as Individuals and valued members of the school family.

1.What do you think the author is?

A. A school principal

B. An exchange student.

C. An assistant professor

D. An experienced lecturer.

2.Why does the school change its curriculum when necessary?

A. To develop some good students’ skills.

B. To meet the needs of different students.

C. To offer an insight into the local culture.

D. To help students realize their potential.

3.Which of the following about the students is NOT mentioned in the passage?

A. Manners

B. Self-discipline

C. Qualities.

D. Independence.

4.What is the purpose of the passage?

A. The author thinks schools and parents play an important role in teaching.

B. The author is stressing that responsibility is the most important thing for a student.

C. The author is encouraging more parents to send their children to this school.

D. The author implies students become valued people without a friendly atmosphere.

查看答案和解析>>

科目：高中英語 來源：2017年全國普通高等學(xué)校招生統(tǒng)一考試歷史（海南卷正式版） 題型：選擇題

俄國蘇維埃政權(quán)建立后至1940年間，一段時間內(nèi)經(jīng)濟進入停滯狀態(tài)，工業(yè)和生活用品的生產(chǎn)極度萎縮，可耕地面積縮減，糧食不斷減產(chǎn)，牲畜大幅度減少。這一時期是

A．二月革命時期 B．國內(nèi)戰(zhàn)爭時期

C．農(nóng)業(yè)集體化時期 D．德軍入侵時期

查看答案和解析>>

科目：高中英語 來源：2017年全國普通高等學(xué)校招生統(tǒng)一考試歷史（海南卷正式版） 題型：選擇題

1927年，一位國民黨領(lǐng)導(dǎo)人說：“現(xiàn)在可有一種危險，是國民黨差不多專做上層的工作，中央黨部、國民政府都是國民黨的同志多。至于下層的民眾運動，國民黨員參加的少，共產(chǎn)黨員參加的多，因此形成一種畸形的發(fā)展�！庇纱丝芍�(dāng)時

A．工農(nóng)運動決定戰(zhàn)爭走向 B．國民革命運動已經(jīng)失敗

C．國共合作存在分裂隱患 D．國民黨開始重視工農(nóng)運動

查看答案和解析>>

科目：高中英語 來源：2017年全國普通高等學(xué)校招生統(tǒng)一考試歷史（海南卷正式版） 題型：選擇題

考古工作者在河南輝縣琉璃閣發(fā)掘了一座春秋時期的諸侯墓，出土了只有周天子才能使用的九鼎。這反映了

A．宗法制度的瓦解 B．分封制度的崩潰

C．等級制度的顛覆 D．禮樂制度的破壞

查看答案和解析>>

科目：高中英語 來源：江蘇省鹽城市阜寧縣2016-2017學(xué)年高一下學(xué)期期中考試英語試卷 題型：閱讀理解

From self-driving cars to deep sea explorers, more and more of humans’ tasks are being taken over by robots. But technology doesn’t stop there. In mid-August, reported the BBC, scientists from Cambridge University developed a robotic system that meant a robot could “build other robots, each one better than the previous(以前的) generation”.

The BBC noted that “those concerned about machines taking over the world shouldn’t worry”.

However, over 1,000 scientists and numerous artificial intelligence (AI, 人工智能) researchers－including UK astrophysicist Stephen Hawking and Apple cofounder Steve Wozniak of the US-brought the danger of fully autonomous weapons(自主武器), known as “killer robots”, to our attention earlier this summer.

“If any major military(軍事的) power pushes ahead with AI weapon development, a global arms race is inevitable(不可避免的),” warned an open letter released at the International Joint Conference on Artificial Intelligence held in Buenos Aires, Argentina.

Unlike drones(無人機), which need a human hand, this kind of robot would have some decision-making abilities and the ability to act by itself. While what the BBC called these “solders that never sleep” could help reduce battlefield deaths, they might also make countries more likely to go into battle, which would lead to more deaths overall, noted the scientists. The risks, they said, could be far greater than those posed by nuclear weapons.

Scientists called for a “ban on offensive(攻擊性的) autonomous weapons beyond meaningful human control”, reported The Huffington Post.

In fact, in an interview with the BBC in 2014, Hawking warned that the “development of full artificial intelligence could spell the end of the human race”.

And according to the BBC, many leading thinkers have been thinking about the AI-powered killing machine of the not-too-distant future. “Killer robots could be here within years, not decades,” as Stuart Russell, professor of computer science at UC Berkeley, US, put it.

Authorities are gradually waking up to the risk of robot wars. Last May, for the first time, the United Nations brought governments together to begin talks on so-called killer robots in a hope of stopping such weapons while there is still time.

Meanwhile, there are scientists who are less worried. They believe all technologies have potential(潛力) for being used for good and evil ends, and argue that the ban called for by the open letter could close the door to developing AI technology that could save lives. “Technology can clearly do better than human beings in many cases,” Ronald Arkin, dean at the Georgia Institute of Technology in Atlanta, US, told The Christian Science Monitor. “If we are willing to turn over some of our decision making to these machines, we may actually get better outcomes.”

1.What does Steve Wozniak think the future robot technology might produce?

A. Artificial Intelligence. B. Autonomous weapons.

C. Soldiers that never sleep. D. Killing machines.

2.The underlined word “spell” in Paragraph 7 is closest in meaning to “______”.

A. cause B. prevent

C. reach D. change

3.What does Stuart Russell mean by saying “killer robots could be here within years, not decades.”?

A. Killer robots will visit UC Berkeley, US sooner than expected.

B. Killer robots will be produced and used sooner than expected.

C. Killer robots will speed up the development of AI in the near future.

D. Killer robots will kill these scientists in the near future.

4.What is the main idea of the text?

A. More and more of humans’ tasks are being taken over by robots.

B. Robots have decision-making abilities and the ability to act by itself.

C. Scientists called for a ban on the development of robot technology.

D. All technologies have potential for being used for good and evil ends.

查看答案和解析>>

科目：高中英語 來源：內(nèi)蒙古包頭市2016-2017學(xué)年高二下學(xué)期期中考試英語試卷 題型：閱讀理解

In the middle of the 20th century people were worried about whales.The number of whales killed worldwide came up to 66,000 per year.However,people weren't worried about the whale as an endangered animal.Instead,they were worried about the whale industry,which would disappear if there were no whales.In 1946,the International Whaling Commission was established.It limited the whale hunting for every country and controlled the whale industry.But the commission recognized that the limitation wasn't enough.They set a worldwide law against hunting whales with only two exceptions: the hunt for scientific research and "aboriginal whaling".Aboriginal whaling allows some countries to hunt a limited number of whales because it is a part of their culture.Some countries like Japan and Norway don't care about the law;they make excuses to hunt whales and sell the products.They only care about the money.

Many fishermen complain that dolphins,also a kind of whale,steal their fish.Therefore,they kill thousands of them.In fact,this is not the truth.In reality there are so many fishermen who steal the fish from each other.Some whale hunters say that they catch the animals for scientists.They have to research what whales are eating.For that, they kill them and look into their stomach.The truth is that they only want to sell the meat.Today scientists want to observe live whales for their research.

Many whale families are not protected and thousands of them are killed.Nobody knows if all whale families would survive,even if humans end all whale hunting today.The pollution of the oceans increases fast and the poison gets into the bodies of the animals.Many of them get sick and die.The human being has killed 90%-95% of many whale families.Others are already extinct.

Today some international organizations try to protect whales.They make reports to explain how important and endangered whales are.Now people are becoming more interested in whales and a complete new industry has developed,whale watching,which you may want to learn about.

1.The text is mainly about .

A. whale industry B. whale research

C. whale product D. whale protection

2.In the middle of the 20th century,what people really worried was that .

A. more whales would be killed worldwide per year

B. the whale would become an endangered animal

C. the whale industry would disappear

D. the law against hunting whales would come into effect

3.Why does Aboriginal whaling allow some countries to hunt a limited number of whales?

A. Because there are many whales in their countries.

B. Because hunting whales is a part of their culture.

C. Because they only care about money.

D. Because they live on hunting whales.

4.Why do many fishermen complain about dolphins?

A. Because dolphins steal their fish.

B. Because they want to make an excuse for killing dolphins.

C. Because there are so few dolphins for them to hunt.

D. Because people have misunderstood their purpose of hunting dolphins.

查看答案和解析>>

科目：高中英語 來源：福建省南安市2016-2017學(xué)年高一入學(xué)考試英語試卷 題型：完形填空

One evening, Mr. Green was driving in his car along a lonely country road. He had _____ to a bank where he had drawn $ 50. At the loneliest part of the road a man in ____ clothes stopped him and asked for a lift. Mr. Green allowed him _____and drove on. As he talked to the man, he ____that the man had been in ____ for robbery(搶劫) and had broken out of prison that very evening. Mr. Green was very ____ about his 50 dollars.

Suddenly he saw a police car and had a ____ idea. He had just reached a small town where the speed limit was 30 miles per hour. He drove the car as ____ as possible. A moment later, the police car overtook(超過) him and ____ him to stop. Mr. Green ____ to tell the policeman about the escaped robber, but the man put a gun to his_____. The policeman took out a ____ and demanded Mr. Green’s name and ____. Mr. Green asked to be taken to the police station but was ____.

Mr. Green started up his ____ again. As he drove out of the town, the man wanted to ____ “ Thank you for the lift. You’ve been so _____ to me. This is the least I can do for you in ___.” The man handed Mr. Green the ____ , which he stole from the ____ pocket while Mr. Green was being criticized(批評).

1.A. driven B. been C. gone D. visited

2.A. dirty B. good C. warm D. beautiful

3.A. out B. off C. down D. in

4.A. told B. said C. learnt D. remembered

5.A. school B. prison C. office D. forest

6.A. happy B. pleased C. excited D. worried

7.A. strange B. bright C. foolish D. sad

8.A. fast B. slowly C. carefully D. soon

9.A. begged B. invited C. ordered D. advised

10.A. hoped B. agreed C. decided D. thought

11.A. face B. head C. pocket D. back

12.A. notebook B. gun C. wallet D. menu

13.A. age B. address C. birth date D. birth place

14.A. refused B. invited C. welcome D. accepted

15.A. idea B. plan C. gun D. car

16.A. get on B. get down C. get out D. get up

17.A. kind B. well C. polite D. bad

18.A. turn B. time C. return D. surprise

19.A. money B. pen C. notebook D. gun

20.A. policeman’s B. driver’s C. prisoner’s D. robber’s[

查看答案和解析>>

同步練習(xí)冊答案