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Many Chinese believe   31      (eat) pig brains will increase their intelligence and some Americans regularly eat   32   ___ (cook) eggs to keep their minds sharp.   33     , doctors don’t recommend eating   34        raw eggs or animal brains. Then, what food is good for your brain? Scientists have found a relationship  35 ____ diet and a healthy brain. Generally speaking, fish is a brain food.   36 ____ fish, you should introduce lots of dark green leafy vegetables and colorful fruits into your diet, because most people lack the special vitamins  37     these brain food provide. If you eat brain foods   38   ____ (regular), they can increase brain power — help you pay attention, keep you  39     ___________ (motivate), improve your memory and  40   _____( less) stress from studies. Then you can do much better in your test.

A few years ago, SARS __31______ out in the mainland of China, causing some people __32________ (kill) or nearly got close to death. The situation was so severe that there was__33______ time to debate who is to blame. The most important thing for the government to do is to find out the __34________ of this deadly disease. They invited all the most __35_________ (experience) experts in this field to discuss and quite a few suggestions were put forward. Some of the top experts then tested them to see _36_______ they were available. Doctor Zhong Nanshan chose one patient who was seriously ill and had little hope__37_______ picking up and had the new medicine tested on him. __38______ his great joy, this patient recovered! He made his way to his office and telephoned the top official, __39_______ (tell) him this exciting news. For convenience, he moved to live in his office. His method did make sense. Not soon after that, the __40___ hospitals also controlled this terrible disease and kicked it out finally.

I asked my uncle, who plays __31_______ piano well, __32_______ he would assess (評(píng)定) the tone of a second hand piano I was hoping to buy. We arrived __33_______ the house and Uncle Frank looked the piano over, then __34_______ (sit) down and played a mixture of honky-tonk numbers and classical pieces. When he finished, we told the family that we would call ___35_______ in 15 minutes.

Outside, Uncle Frank said that ___36________ the wood was battered (壞掉的)，the sound was good and we should buy it.

When I phoned the woman back, she sounded as if she was crying. __37____ (concern), I asked, “What’s the matter?”

“We didn’t know the piano_38______ play like that,” she replied. The piano wasn’t __39_______sale, and her daughter had to resume(重新開(kāi)始) taking piano __40___________.

In North America, people are always in __31______ hurry. Children have special lessons or sports activities __32________ school. Parents often work late and ___33________ get home until 7 or 8 o’clock at night. Most North American families don’t have time to prepare a meal. That is __34_________ fast food is so popular in North America. People _____35_____ about 40% of their dollars on fast food.

People usually buy fast food from restaurant chains such as Pizza Hut, McDonald’s, or KFC,__ 36______ they can enjoy pizza, sandwiches, fried chicken, and so on. Fast food saves work and time, but it is not __37_________ (nutrition).

Fast food is popular in many countries. American fast-food companies now have restaurants all over the world. But not __38________ is happy about the spread(擴(kuò)展) of North American fast food. A group of people in Italy want to fight __39_______ the spread of American fast food. They don’t like the idea of more fast food chains __40__________(open) restaurants in their country.

Many people keep small fish _31_______ pets. They keep them in a tank of water. The tank is made of glass. People can _32________ through it. They can see inside the tank and watch the fish.

The fish need room. They mustn’t be crowded. They need _33_______ to breathe.

__34_____ must be enough water for all fish. So the size of the tank is very important.

In the tank people put small plants __35________ are good for fish. They give oxygen to the water. Plants help in other ways, too. They can hide __36_______ the plants and sleep, lay eggs there.

The fish __37______ be kept in water all the time. Some can jump high. So the tank should be covered. This keeps the fish __38________ (jump) out.

The fish need food and should be fed every day. But __39____________ you give them too much food, it is very bad, for the extra food will fall to the bottom and make the water dirty. So the fish should get just enough food and finish __40___________ in ten minutes. Nothing should be left.

Recently, a website has carried out a survey (31)________ the common view on graduates from Beijing University.

28% of the (32)__________(interview) companies think that they are quite (33)_______(satisfy) with the graduates from Beijing University. The graduates (34)______ their companies have a wide range of (35)________(know) and they learn things very quickly and easily.

(36)_________, most of the companies don’t think much (37)_________ graduates from Beijing University. In their eyes, the graduates always stick to their own opinions and lack the teamwork spirit (38)_________ working. Besides, they may not be satisfied with their jobs, even with big companies, and they usually ask for too much. (39)_______ a result, 34% of the companies insist that they will not employ graduates from Beijing University.

In brief, society and (40)________ the students themselves expect too much from graduates from Beijing University. That’s why a graduate claims that he is rubbish.

We may be very     31       (please) with the rapid progress we have made in every field of study, but we have almost done nothing to improve our present examination systems    32         focus on testing the students’ memory instead of their   33    ______ (able). As soon as a child begins school, he enters a world of examination   34 _________ will decide his future of job. In fact, a good examination system should encourage students to think  35 _________ themselves. But the examination now does nothing but that. It forces the students to remember        36       is taught to get high marks. Thus the students who come out first in the examination often many be the   37         (good) in their studies. In addition, such an examination system often   38  _____ (drive) teachers to cram all the time and forces them to train students what to do with the  39  ____  (come) examination.

There must be a better way to test a   40          (student) true ability as well as their knowledge.

More American people take their troubles with them on holiday, according to a new survey.    31         40 percent said that the main reason for going away is to escape   32          (press) from work, almost all said they worry more      33          they do at home. Only four in every one hundred said that they are happy and free of care.

The most common worry is burglary（入室盜竊）, with four out of ten worrying about their homes   34        (break) into while they are abroad. More than a quarter feel they will feel crazy   35     some other noisy and rough holiday-makers and twenty-two percent worry they may be attacked  36           their possessions will be  37            (miss).

The survey also showed   38         the stay-at-home Americans are no more. Three out of every five want to have a holiday abroad, which was          39    increase from the figures only three years ago. The hotel holiday is still a winner, with about one third of all Americans   40          (prefer) to go on a self-catering（自助） holiday.

Millions of words have been said about young people in the United States. There are reasons   31        this great interest in their ideas,   32       (feel) and actions. Today there are about eight million Americans in the colleges and universities. The young under twenty-five make   33     nearly half of the American population, many of   34      will be in power in the U.S.   35           (nature) their ideas are important to everyone in the country, and    36         is necessary for the older people to understand  37           they think and feel. College students today have strong   38          (opinion) about right and wrong. They are deeply interested in making a   39          (good) life for all the people, especially for those   40     _____ have never been given a fair chance before.

I was on my way to the Taiyetos Mountains. The sun was setting when my car         31   (break) down near a remote and poor village. Cursing my misfortune, I was wondering where I was going to spend the night when I realized that the villagers who had gathered around me were arguing as to  32    should have the honor of receiving me  33   a guest in their house. Finally, I accepted the offer of an old woman who lived alone in a little house. While she was getting me  34      (settle) into a tiny but clean room, the head of the village was tying up his horse to my car to pull it to  35       small town some 20 kilometres away   36      there was a garage.

I had noticed three hens running free in my hostess’s courtyard and that night one of them ended up in a dish on my table.  37            villagers brought me goat's cheese and honey. We drank together and talked   38            (merry) till far into the night.

When the time came for me to say goodbye to my friends in the village, I wanted to reward the old woman 39           the trouble I had caused    40           .