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。

There has been a recent trend in the food service industry toward lower fat content and less salt. This trend, which was started by the medical community(医学界)    (1)    a method of fighting heart disease, has had some unintended side     (2)     (effect) such as overweight and heart disease-the very thing the medical community was trying to fight.

Fat and salt are very important parts of a diet. They are required     (3)     (process) the food that we eat, to recover from injury and for several other bodily functions. When fat and salt     (4)    (remove) from food, the food tastes as if it is missing something. As     (5)    result, people will eat more food to try to make up for something missing. Even     (6)     (bad), the amount of fast food that people eat goes up. Fast food    (7)    (be) full of fat and salt; by     (8)     (eat) more fast food people will get more salt and fat than they need in their diet.

Having enough fat and salt in your meals will reduce the urge to snack (吃点心) between meals and will improve the taste of your food. However, be    (9)    (care) not to go to extremes. Like anything, it is possible to have too much of both,     (10)     is not good for the health.

(1)____________

  A mouse, because of an  (1)   (luck) chance, made close friends with an evil frog. One day,   (2)   frog played a trick on the mouse by   (3)   (fie) a foot of the mouse to his own. At first, both of them joined together and the frog   (4)   (lead) his friend toward the pool in which he lived, and didn't stop   (5)   he reached the side of the water. Then the frog suddenly jumped into the water and the mouse was pulled in with   (6)   (he). The frog enjoyed the water and swam in it around, happily crying   (7)   if he had done a great deed. The unhappy mouse died soon in the water, and his dead body floated around on the surface,   (8)   (fasten) to the foot of the frog. A hawk saw the dead mouse, suddenly flew down towards it, caught it and flew away. The frog, still tied to the leg of the mouse, was also carried off as a  (9)   (prison), and it   (10)   (eat) by the hawk. Harm hatch, harm catch.

I have recently returned from   (1)    extended 26-day trip to China. I made two earlier trips to China in 2012. On my previous visits my travel   (2)  (limit) to the three major cities of Beijing, Shanghai and Chongqing. This time I, together with my family, was able to visit some of the more remote cities and holiday destinations    (3)  (miss) on the previous trips and revisit Beijing and Shanghai to observe the great changes there in just four short years.

The many contradictions and   (4)   (struggle) within China today are very impressive. No one can ignore the rich culture    (5)   (date) back to ancient times changing into the modern age at a speed and scale that has never been witnessed.   (6)   happens in China, the third    (7)  (large) country in the world with 20 percent of the world’s population, will   (8)  (certain) shape the immediate and distant futures of   (9)  (we) all.

On this blog(博客) I will be posting a travel journal   (10)   photographs and drawings. Marked on the map are the cities and villages I visited while in China.

Chengdu has dozens of new millionaires, Asia’s biggest building, and fancy new hotels. But for tourists like me, pandas are its top____61_(attract).

     So it was a great honour to be invited backstage at the not-for-profit Panda Base, where ticket money helps pay for research, I_____62_（allow）to get up close to these cute animals at the 600-acre centre. From tomorrow, I will be their UK ambassador. The title will be __63___(official) given to me at a ceremony in London. But my connection with pandas goes back ____64__ my days on a TV show in the mid-1980s, ____65_ I was the first Western TV reporter__66___ (permit) to film a special unit caring for pandas rescued from starvation in the wild. My ambassadorial duties will include ____67_(introduce) British visitors to the 120-plus pandas at Chengdu and others at a research in the misty mountains of Bifengxia.

   On mu recent visit, I help a lively three-month-old twin that had been rejected by _____68_ (it) mother. The nursery team switches him every few __69__( day) with his sister so that while one is being bottle-fed, __70____ other is with mum-she never suspects.

Last year, my brother and I went to Miami for a vacation. Some of my friends who had been there before said41____ was a wonderful holiday destination. Before we went, we had planned for months. When the day came, we were ready.

After our plane landed, we went to the hotel. We had made our reservation six months42__ （early）, but the man at the front desk said there had been a mistake. We 43_____（tell）that our rooms hadn’t been reserved for that week, 44_____ for the week after. I didn’t understand 45____ this would happen and my credit card had already been charged46____ the reservation. What’s worse, the hotel had been fully booked. When we were wondering what to do, the manager came out. She was 47_____（surprise）helpful. She apologized for the mistake and gave us a spare VIP room on 48_____ top floor. We had never stayed in such an amazing room, and we weren’t charged extra.

The next day, my brother and I went to the beach 49____ we watched some people play volleyball. We got a little50_____（sunburn），but the day had been so relaxing that we didn’t mind.

41._

42._

43._

44._

45._

46._

47._

48._

49._

50._

International leaders are failing in their fight against global warming, one of the United Nations’ top climate officials has said, appealing ___61____ (direct) to the world’s voters to pressure ___62___ (they) politicians into taking tougher action  ___63___ the buildup of greenhouse gases.

Halldor Thorgeirsson told journalists gathered at London’s Imperial College that world leaders weren’t working hard enough ___64___ (prevent) potentially catastrophic climate change.

“We are failing as ___65____international community,” he said. “ We are not on track.”

Thorgeorsson, a senior director on climate change, was speaking with two years left to go before the world powers gather in Paris for another round of negotiations over the future of the world’s climate, ___66___scientists warn will warm rapidly unless action ___67___ (take) to cut down on the emission(排放) of greenhouse gases such as carbon dioxide.

One of the main___68___(point) of argument is how to divide the burden of emissions cuts between industrialized nations and emerging（新型的） economies such as India and China, the world’s top carbon polluter. The lack of progress in recent years ___69___(fuel) doubts over whether a binding(约束性的) deal is possible at all.

Thogeirsson seemed to feel concerned Tuesday, talking down that if a grand bargain of reductions ___70____ be produced, man would hold the last lifeline to prevent a dangerous warming of the Earth’s atmosphere.

Once there was a free bird. She floated in the sky, caught mosquitoes for lunch, and swam in the summer rain like other birds. But she had 61. ____ habit—every time an event occurred in her life, whether good 62. _____ bad, the bird would pick up a stone from the ground for memory. Every day she sorted out her stones, laughed, remembering the 63. _______ (joy) events, and cried, recalling the sad ones.

The bird always took the stones with her, whether she’s flying in the sky or walking on the earth and she never 64. __________ (forget) about them. With years passing, the free bird had got many stones, but she still kept on sorting them and remembering the past. It was becoming 65. ___________ (increase) difficult for her to fly, and then one day she was unable to do this.

The bird 66. ___________ used to be free couldn’t walk on the earth. She 67. _____(be) unable to move on her own or catch mosquitoes any more. Only rare rain refreshed her and enabled her 68. _______ (live) on. However, the bird bravely endured all the hardships,    69. ______ (guard) her precious memories.

   After some time the bird died of 70. _______  (starve) and thirst, leaving only a pitiful bunch of worthless stones accompany her.

 Tu Youyou, 1was born in 1930, is a Chinese medical scientist and educator. She was educated and carried out research2  (entire) in China. She is best known 3  discovering artemisinin(青蒿素) and dihydroartemisinin(双氢青蒿素)，which saved millions of lives. Her discovery of artemisinin as well as4  (it) treatment of malaria 5 (regard) as a significant breakthrough of tropical(热带的) medicine in the 20^th century and health 6  (improve) for people of tropical  7 (develop) countries in South Asia, Africa, and South America.

For her work, Tu received the 2011 Lasker Award in clinical medicine and  8  2015 Nobel Prize in Physiology(生理学) or Medicine together with William C. Campbell and Satoshi Omura. Tu is the first Chinese Nobel winner in Physiology or medicine  9  the first citizen of the People’s Republic of China 10  (receive) the Nobel Prize in natural sciences.

On February 16, 1948, the first （61 ） (day) television news program in the United States was aired by NBC. Before that date, people learned the news from radios and newspapers. The first TV newscast was read by a man  （ 62 ） (sit) at a desk. The picture was black and white.

Most homes did not have television sets in 1948. Television sets were so expensive  （ 63）   many people could not afford them. Besides that, a lot of people thought that television could never be as good as going to the movies, a live concert,   （64)   a play.

All of that soon changed. Mass production of TV sets brought the cost down   (65 ) (sharp). Programs improved, and TV became part of the American life.

In 1954, color  ( 66)  (introduce) on television. By 1960, the number of TV   (67 )   (owner) was 45 million. Television   (68)  (become) one of the major mass media of America so far.

Watching news on television is now an important way for people   (69)  (learn) about current events. Television news has gone   (70)   a simple format in the evenings to a variety of programs and channels. Today, viewers can watch local, regional and national news programming in many different ways, any time of the day.