【题目】某城市响应城市绿化的号召， 计划建一个如图所示的三角形 形状的主题公园,其中一边利用现成的围墙， 长度为米， 另外两边使用某种新型材料围成， 已知单位均为米）．

（1）求 满足的关系式（指出的取值范围）；

（2）在保证围成的是三角形公园的情况下，如何设计能使所用的新型材料总长度最短？ 最短长度是多少？

从表中看出该地人口的特点是：① ；② ；③ 。

针对65岁以上人口比率不断攀升的情况，提出你的建议： _______________________

答：________________________________________________________________________

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根据图画，写一篇英语短文，描述今昔通讯方式的变化，以及这些变化给人们生活带来的影响。

注意：

1．词数：不少于120字

2．生词：通讯：communicate(with sb．)vi. communication （n．） 互联网：the Internet

Great changes have taken place in the way of communication in people’s life in recent years.

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假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：

1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

A motto is a short statement given a rule on how to behave, which can inspire us especially when we faced with difficulties. Many of us have our motto, such as “Where there is a will, there is a way” or “Nothing is difficult if you put your heart into it”, and so on. My motto is “God helps those who help them.” Sometimes I am lazy and don’t want to make efforts, but at the moment I think of my motto I will get energetic again and devote myself to that I am doing. I write my motto where I can see it easy. Every time I fail in my exam and begin to lose heart, a sight of my motto inspires me with much confidence. However, my motto also makes me become an independent person.

My friends, unless you don’t have a motto, please choose one because a motto can have a great effect on you.

阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。

For 80 years, Macy's Thanksgiving Day Parade has kicked off the holiday season with glorious bands, balloons and floats (花车)，and for one day, it has transformed New York City into a living comic book.

The Macy's Thanksgiving Day Parade is an annual parade presented by Macy's Department Store. It was first held in 1924. It was organized by Macy's employees, most of whom were first generation immigrants(移民)，who wanted to celebrate holidays like they did in Europe. The employees dressed in costumes(盛装)and marched on the streets with floats, bands and live animals borrowed from a zoo.

With an audience of over a quarter of a million people, the parade was such a success that Macy's declared it would become an annual event.

In 1927 Felix, the Cat became the first parade balloon to float over the city. Large animal shaped balloons replaced the live animals from then on. These giant signature(特有的)balloons are by far the biggest attraction of the parade. Each year sees parade balloons adding new characters from comic strip characters to timeless toys.

One tradition long gone is the releasing of the balloons after the parade. They would float for days and the lucky finder or finders could claim a cash reward if he or she returned the balloon or its remains to Macy's.

The parade has gone on every year except during World War Ⅱ when, aside from not having much to cheer about, the helium(氦气)air and rubber used for the balloons were needed for the war effort.

When the parade returned in 1945，it was televised in New York for the first time and also traveled its current route for the first time.

Nowadays, more than 10,000 people participate in the parade and the National Broadcasting Company(NBC) will nationwide broadcast it live from 9 a．m. to noon. The NBC has even earned several Emmy Awards for this program.

As always, the parade will end with a visit from Santa Claus. The joyful old man will get settled in Macy's Department Store after the parade to start a month long search for who's been naughty and who's been nice.

【1】The Macy's Thanksgiving Day Parade originated from the fact________.

A．the first European immigrants showed thanks to the Indians for their help

B．Macy's Department Store hoped to thank its employees for their devotion

C．the first European immigrants showed their traditional celebration of holidays

D．the employees of Macy's Department Store showed thanks to the store

【2】The parade wasn't held once. The reason is that________.

A．people had to do other more important things that time

B．it was forbidden by the government that time

C．people couldn't afford the expensive parade that time

D．a great misfortune prevented it from going on that time

【3】According to the text, the following are true EXCEPT that________.

A．about two hundred and fifty thousand people participated in the first parade

B．large animal shaped balloons are one of the attractions in the parade

C．the visit from Santa Claus marks the end of the parade

D．the television's live broadcast makes the parade more popular

【4】The underlined word “kicked off” in the first paragraph means“________”．

A．put off B．opened up

C．dropped out D．turned into

（1）请对比两幅词云图，简要概括天津旅游十年间发生的变化。

（2）结合2016年度词云图反映的情况，为天津旅游写一段80字左右的宣传推介短文。

阅读短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。

Stephen Hawking is perhaps the world’s most famous living physicist. To the public, he’s best known as an author of bestsellers such as The Universe in a Nutshell and A Brief History of Time, which have brought an appreciation of theoretical (理论上的) physics to millions. He is regarded as having one of the brightest minds on the planet. But outstanding astrophysicist (天体物理学家) Stephen Hawking has admitted that he did not learn to read until he was eight years old.

In a public lecture at the Royal Albert Hall, Professor Hawking also admitted that he was not active in studying while at Oxford University, where he studied physics, and that only the news that he might die young from motor neurone (运动神经元) disease made him focus on his work.

Professor Hawking said, “My sister Philippa could read by the age of 4 but then she was brighter than me.” He said that he was common at school and was never further than halfway up his class. “My classwork was very untidy, and my handwriting was very bad in the teachers’ eyes,” he said. “But my classmates gave me the name Einstein, so probably they saw signs of something better.”

But he said that it was when doctors told him that he probably only had a few years to live at the age of 21 that he began to focus on his work, which resulted in some of hs early achievements. He said, “When you are faced with the possibility of an early death, it makes you realize that life is worth living and there are lots of things you want to do.” Hawking serves as Lucasian Professor of Mathematics at the University of Cambridge, where he continues to contribute to both high-level physics and the popular understanding of our universe.

【1】When Stephen Hawking studied in Oxford University, he was ________ .

A. clever B. lazy C. bright D. mean

【2】What made Stephen Hawking devote himself to his work?

A. Patience. B. Knowledge.

C. Disease. D. Laziness.

【3】From whom did Hawking get a fair judgment when he was at school?

A. His sister. B. His classmates.

C. His teachers. D. His parents.

【4】What can we learn from the last paragraph?

A. Hawking didn’t realize his dreams in physics.

B. Hawking succeeded in overcoming the fear of an early death.

C. The purpose of the doctor was to encourage him to work hard.

D. The doctor warned Hawking that his life might be taken away by hard work.

根据语境，用方框中所给短语的适当形式填空。（每个短语仅使用一次）

【1】She looked through ______________ information for the report.

【2】______________ to reach the mountain top, they made preparations for everything.

【3】An old worker was found ______________ a painting of the Tang Dynasty.

【4】I’d like to eat out, but ______________, I should be trying to save money.

【5】When the earthquake happened, ______________, about 150 students were having PE lessons on the playground.

【6】Tom ______________ his friends is eager to visit China.

【7】The United States ______________ a developed country.

【8】Yesterday a person who was caught stealing was ______________ and fired to death by the policeman.

标题：________(不超过5个字)

寓意：________________________________________________________________(不超过40个字)