Nobody knows exactly    （1）    the earth began as it happened so long ago. There is a widely accepted theory     （2）    the universe began with a Big Bang,  （3）    (throw) matter    （4）    all directions. For several billion years after the Big Bang, the earth was just a cloud of dust until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. The earth   （5）  (explode) loudly with fire and rock.

Then, carbon dioxide, water vapor and other gases were to make the earth’s atmosphere. What is more important is  （6）   as the earth cooled down, water began to appear on its surface. Water had also appeared on other planets like Mars but,    （7）   the earth, it had disappeared later. What a number of physicists believe is that it is the continued    （8）   (present) of water that allowed the earth to dissolve some harmful gases into the oceans and seas. After many millions of years, reptiles, which gave birth to young generally by    （9）     (lay) eggs began to appear for the first time. On account of human activities, the earth may become too hot to live on. So    （10）    life will continue on earth will depend on whether this problem can be solved.

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Many weight loss programs seem attractive to people. But for most people _(1)  are overweight, the results are so _(2)  (limit) that they will give up long before achieving any realistic results. It turns out that the programs are practically of no use. You lose weight for a while, only _ (3)  (gain) back more weight when you stop your weight loss program. This is __(4) _ such programs are not natural. Is there a natural weight loss solution?
A sure way of achieving natural weight loss is to increase __(5)__ amount of exercise you get every day. _ (6)__, this doesn’t necessarily mean spending hours at the gym (7)__ in front of a weight loss video. Increase your weight levels _(8)__ (nature) by walking or biking short distances instead of driving, or by taking the stairs instead of the elevator. There are even exercise that you can do while _(9)_ (sit) at your desk. All of these activities can burn extra calories __(10) _ taking up too much time.

High school flew by so quickly. I couldn’t believe I was sitting there, ready __(1)____ (graduate). We were finally at the finishing line, about to walk up that stage to get our diploma.

It’s  ___(2)___ (amaze) how much all of us have changed over the past few years. Going through all our  __(3)____ (photo), I realized much has happened since we  __(4)____ (enter) high school. Some of us have gotten fatter, while others have gotten  ___(5)___ (thin). Some of us have gotten into relationships, while others have explored various activities,  ___(6)___ (range) from academics to athletics and extracurricular activities.

High school was about growing  __(7)___and discovering ourselves, trying new things and exploring our interests. It was also about getting acquainted with  ___(8)___ opposite sex, hanging out with friends and learning how to socialize. It was about finding a group to be part of. But more  ___(9)___ (important), high school was about learning how to care not only about ourselves,  ___(10)___ also about the people around us.

Sweet wormwood (青蒿) is a common plant in China,  ______（1）________ it has the power to cure the deadly disease called malaria (疟疾). Tu Youyou_____（2）_________ (be) the woman who used the plant’s special power to save millions of lives. The Chinese scientist won a Nobel Prize of her great contribution.

On October 5^th, Tu was awarded the 2015 Nobel Prize in Physiology or Medicine. She shared the prize_____（3）__________ two other scientists from the US and Japan. Tu is the first native Chinese person to receive a Nobel Prize in  __________（4）______ (nature) sciences.

Tu was modest about receiving the award: “It’s a success of the whole research team.” She also thinks ________（5）________ is scientists’ duty to fight for the health of all humans.

When Tu joined the national research team to find the medicine ______（6）______ could fight against malaria in the 1960s and 1970s, things were hard. The team didn’t have advanced equipment back then. Tu used to test________（7）_______ (medicine) by eating them herself. Her team searched old Chinese medicine books at hand and tested over 2000 traditional recipes.

Once Tu returned home after travelling for six months. Her little daughter didn’t recognize her. ______（8）__________ (do) research, Tu also had to move around a lot.

Finally, Tu found artemisinin (青蒿素) in seet wormwood in 1971. She spent the next decades______（9）_________ (try) to improve the medicine. According to World Health Organization, about 200 million people suffer from malaria around the world, and about half a million die each year. Artemisinin is still the most effective _______（10）________ (treat) against malaria known today.

Tu never complains about how hard she works. “I feel more rewarded when I see many cured patients,” she said.

语法填空

 As an old English saying goes,”Honesty is the best policy.” It is more than an old cliché(陈词滥调），but   (1)   good way to live your life.

 First, honesty is the (2) (easy) choice that we can make. When people got caught in lies, it always costs them something .Many relationships can be destroyed by lies.

 Second,honesty gives us much (3) (free). Many people believe that being honest limits them in life, but that is not true. Sooner or later those dishonest people (4) (pay) a price for their acts;on the contrary, when we are honest, we are (5) (true)free.

 If there were two people (6) (stand) before you, a person with a record of being honest and a person (7)  is known to be dishonest, who would you be more likely (8) (believe)? I’m sure most people would side with the honest person. (9)  we live in the truth or we live in lies. Truth sets us free and lies live us in nothing but more troubles.Honesty is a choice that we make each day. The choice is (10) (you).What will you choose?

Carpooling is when a driver offers to take passengers in exchange for some money for petrol. As __(1)__ result, carpooling can be __(2)__ (cheap) than public transport because everyone in the car shares the cost of petrol. I __(3)__(recent) did carpooling for the first time and it was very easy to find a driver. I used a website that lists drivers’ profiles(简介) and found someone __(4)__was going to the same place as me. A lot of information can __(5)__(see) in the profiles such as their first name, age and gender(性别) as well as reviews(评论) from other passengers. I decided __(6)__ (travel) with a lady who had very good reviews.

   I found carpooling to be a(n) __(7)__ (impress) experience. Not only was the trip very cheap, but the driver and the other passengers were really friendly. They were all French so I had the chance to practise __(8)__(speak) some French. When I waved goodbye to them, a thought suddenly occurred to me __(9)__carpooling could be the future of travel. Both drivers and passengers can benefit __(10)__ this form of travel. It saves money, and perhaps more importantly, carpooling provides a fantastic opportunity to meet interesting people on your travels.

   阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式,并填在答题卡的相应位置。

   Steven Jobs was born in California in 1955 and __（1）___ (adopt) by Paul and Clara Jobs. He became interested in computers in high school, going to after-school lectures at the computer company Hewlett-Packard. He enrolled at Reed College in Oregon. ___（2）___ he went to a variety of classes, he never graduated. Instead, he moved （3）__ to California and began working at Atari. He also started working on __（4）_ (he) own computer projects with Steve Wozniak.

   Jobs and Wozniak, along with Ronald Wayne, founded Apple in 1976, _（5）__ (name) after Job's favorite fruit. Apple changed the way people thought about computers; the company made them small, easy to use, and __（6）__ (access) to normal people. The Macintosh computer was started in 1984, but sales slowed in __（7）____ following year, and Jobs was pushed out of his own company.

   After leaving Apple, Jobs founded NEXT, Inc. The company decided __（8）__ (develop) both computer hardware and software. In 1996, Apple bought NEXT, and Jobs returned ___（9）_ his original company. He cut programs and jobs, but he also helped make Apple goods more beloved than ever. Apple has been on a roll ever since, creating elegant, fast, user-friendly ___（10）_ (product) that reflect the vision of Steve Jobs.

You may like reading novels for fun．But you need to get  (1)  （organize）if you are reading  a novel for school．Here   (2)  （be）a few tips．

    First, pay attention to characters．What do they do in the novel? What do they want? Everything   (3)   is about a character can help us to understand him, from his  (4)  （appear）to the kind of food he eats．

    Besides, the order of the story and the plot are    (5)  （equal）important．Make sure that as  you read, you make   (6)   quick note of what happens in each chapter．This will help you bring  the things you have noticed about the character, setting, language and so on together．It’s also  an enormous help for you to retell the story after you have read it．

    Next, themes．They are ideas that a novel explores．  (7)   is a must to get the hang of the theme  if you want to fully appreciate the novel．Perhaps love is a major theme, or justice, or   (8)  （survive）．

 Furthermore, novels are made up  (9)   language．Writers use language in a special way    (10)  （make）their novels work．They may use metaphors, invent symbols, or show different characters' personalities through their speech styles．

People living in different countries made different kinds of words. Today there are about fifteen hundred ___(1)___(language)in the world. Each contains many thousands of words. A very large dictionary, for example, contains four ___(2)___five hundred thousand words. But we do not need___(3)___these. To read short stories you need to know only about two thousand words. ___(4)___you leave school, you will learn only one thousand or more. All these words ___(5)___you learn are called your vocabulary. You should try to make your vocabulary___(6)___（big）. Read as many books as we can. There are a lot of books ___(7)___（write）in easy English. You will enjoy them. When you meet ___(8)___new word, look it___(9)___in your dictionary. Your dictionary is your most___(10)___（use）book .

(1)___________

(2)___________

(3)___________

(4) ___________

(5) ___________

(6) ___________

(7) ___________

(8) ___________

(9)___________

(10)___________

Sweetest Day is always the third Saturday in October. This holiday is much more important in some regions than in others, with Detroit, Cleveland and Buffalo   (1)   (be) the biggest Sweetest Day cities. It is a holiday that is gaining in popularity every year throughout the country. Sweetest Day   (2)   (fall) on the third Saturday in October as a day to make someone happy. It is an occasion   (3)   offers all of us an opportunity to remember not only the sick, aged, and orphaned, but also friends, relatives and neighbors whose   (4)  (friend) and helpfulness we have enjoyed.

Over 60 years ago, a Cleveland man, believing that the city’s orphans and   (5)   (shut-in) too often felt forgotten and neglected, came up with the idea of showing them that they are   (6)   (kind) remembered. He did this through the distribution of small gifts. With the help of his friends and neighbors, he handed out these small gifts on   (7)   Saturday in October. During the years that followed, other Clevelanders began to participate in the celebration ceremony, which came to be called “Sweetest Day”. Step   (8)   step, the Sweetest Day idea of spreading cheer to the poor was broadened to include everyone, and became an occasion for remembering others with a kind act or a small remembrance.   (9)   soon the idea spread to other cities all over the country.

Sweetest Day is not based on any single group’s religious sympathy or on a family relationship. It is a reminder that a thoughtful word or deed enriches life and makes   (10)   meaningful.