15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 29)

There has been an outbreak of avian influenza, better known as bird flu in Asia recently. The first (1) _____ died two weeks ago in Vietnam and there have been the cases reported since in Thailand, and there are some suspected cases in Cambodia as well as.

    Wild birds are affected by a large number of flu viruses, just as the humans and other animals are, but they are normally exclusive to birds. If the viruses manage to mutate, they can to jump the species barrier and infect human beings. The first case (2) _____ someone died was in Hong Kong in 1997.

    There are the several different forms of bird flu, ranging from mild to very (3) _____ infections, which spreading rapidly and kill many of the birds they infect. It is spread by wild birds-ducks, in particular – which carry the virus, but aren't killed by it. They can spread the virus to farm birds through (4) _____ contact or by the contaminating water supplies.

    World Health Organization officials have attributed the spread of bird flu to human contact with the droppings of infected birds and (5) _____ sanitation. There was no evidence at first that the virus spread from person to person, though there has been a case of this happening being investigated by scientists.

The wind controls our planet's weather and climate. But how much do we understand about this complex force (31)______ can kill and spread fear?

    On the night of October 15, 1987, the south of England was struck by strong winds. Gusts of over 130 km/h (32)______ through the region. Nineteen people were killed, £1.5-billion worth of damage was (33) ______ and 19 million trees were blown down in just a few hours.

Although people thought of this as a hurricane, the winds of 1987 were only a (34)______ 7 storm. They remain far better known than the much more serious storms of January 25, 1990, when most of Britain was hit by daytime winds of up to 173 km/h. On this occasion, 47 people were killed, even though, (35)______ in 1987, the weather forecasters issued accurate warnings.

Some time ago, scientists began experiments to find out (31)______ it would be possible to set up a “village” under the sea. A special room was built and lowered (32)______ the water of Port Sudan in the Red Sea. For 29 days, five men lived at a depth of 40 feet. At a (33)______ lower level, another two divers stayed for a week in a smaller “house”. On returning to the surface, the men said that they had experienced no difficulty in breathing and had (34)______ many interesting scientific observations. The captain of the party, Commander Cousteau, spoke of the possibility of (35)______ the seabed. He said that some permanent stations were to be set up under the sea, and some undersea farms would provide food for the growing population of the world.

Reference books are not designed to be read from the first page to the last but rather to be consulted to answer the questions and provide both general and specific pieces of information.

    One of the most (31) _____ -used reference books is a dictionary, which provides information about words. It lists meanings and spellings, tells how a word is pronounced, gives (32) _____ of how it is used, may reveal its origins and also lists synonyms and antonyms. To help you find the words faster, there are guide words at the top of each page showing the first and last words on that page - and of course it (33) _____ to know the alphabet!

    There may be numerous special sections at the back with facts about famous people and places, lists of dates and scientific names, etc. There is usually a section at the front (34) _____ how to use the dictionary, which includes the special abbreviations or signs.

    An atlas is also a reference book and it contains charts, tables and geographical facts, as well as maps. Political maps locate countries and cities, physical maps show the formation of the land with its mountains and valleys, and economic maps show industries and agriculture. To find a specific place, you need to look in the (35) _____ at the back of the atlas and the exact position on the map. There are numerous map symbols that you need to know in order to be able to read a map-almost like a special language-and these are explained at the front of the atlas.

The Internet has truly transformed how students do their homework. (31)______ homework today still means spending time in the library, it’s for a different reason. Rather than using books for research, students today are (32)______ to the Internet to download enormous amounts of data available online.

In the past, students were limited to their school’s (33)______ of books. In many cases, they got to the school library and found out that someone had already taken the books they needed. Nowadays, such inconvenience can be avoided since the Internet never runs out of information. Students, however, do have to

(34)______ sure that the information they find online is true. Teachers have also benefited from the homework which is done on the Internet. They do not need to carry students’ papers around with them any more. This is because online (35)______ allow students to electronically upload their homework for their teachers to read and mark. Of course, this also means that students can no longer use the excuse that the dog ate their homework!

(Adapted from “Gold Pre-first Exam Maximizer,” by H. Chilton & L. Edwards, 2013, Harlow: Pearson)

The first question we might ask is: What can you learn in college that will help you in being an employee? The schools teach a (31) _____ many things of value to the future accountant, doctor or electrician. Do they also teach anything of value to the future employee? Yes, they teach the one thing that it is perhaps most valuable for the future employee to know. But very few students bother to learn it. This basic is the skill ability to organize and express ideas in writing and in speaking. This means that your success as an employee will depend on your ability to communicate, with people and to (32) _____ your own thoughts and ideas to them so they will both understand what you are driving at and be persuaded.

    Of course, skill in expression is not enough (33) _____ itself. You must have something to say in the first place. The effectiveness of your job depends much on your ability to make other people understand your work as they do on the quality of the work itself.

    Expressing one's thoughts is one skill that the school can (34) _____ teach. The foundations for skill in expression have to be laid early: an interest in and an ear (35) _____ language; experience in organizing ideas and data, in brushing aside the irrelevant, and above all the habit of verbal expression. If you do not lay these foundations during your school years, you may never have an opportunity again.

CARE was (1) _____ in 1945 to help people after World War II. It distributed over 100 million food (2) _____. Meanwhile, it was starting self-help programs. Today it has development programs in 37 countries. CARE gives equipment and (3) _____ people how to build water systems, roads, schools and health centers. It also teaches people how to increase production on farms, how to reforest areas, and how to (4) _____ small village industries. Doctors and nurses volunteer to go to villages. They provide health care for the people. They also teach people how to improve their health. They train people to provide (5) _____ medical care. CARE also provides food for about 30 million people every year. Most of them are children. It gives special help where there is a flood, an earthquake, a drought or a war

The (1) _____ of the earth is caused by exhaust gas from automobile engines, factories and power stations. Carbon dioxide goes up into the atmosphere, and it forms a kind of factories that keeps or rather allows the sunshine in but stop the earth’s heart (2) _____ getting out. It works like a greenhouse, that’s why we call it the Greenhouse Effect. Because of this effect, the earth is getting warmer all the time. This (3) _____ in temperature will cause big changes to the world's climate. The sea level will rise, the ice covering the poles will melt and cause the sea level to rise.

The second problem is the (4) _____ of the ozone layer. Certain chemicals float up to the sky and react with the ozone layer, and they make holes in it. Because of these holes the ultraviolet rays can shine directly to the earth. Many people are now starting to suffer from skin cancer.

The sulfurous smoke from factories and power stations mixes with rain clouds and gets blown by the wind and then falls as acid rain (5) _____ destroys lakes and forests.

These three problems threaten our environment at the end of the twentieth century. Unless we do something about them quickly, we, human race, may disappear from the face of the earth

The warming ot the Earth is caused by exhaust gas from automobile engines, factories and power (23) ________. Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heat (24) _______ getting out. It works like a greenhouse, that’s why we call (25) ________ the Green House effect.

Because ot this effect, the Earth is getting warmer alt the time. This (26) ________ in temperature will cause big changes to the world’s climate. The sea level will increase as the ice (27) _______ the poles will melt.

Keeping your distance

Personal space is a term that refers (23) ………….. the distance we like to keep between ourselves and other people. When (24) …………….we do not know well gets too close we usually begin to feel uncomfortable. If a business colleague comes closer than 1.2 meters, the most common response is to move (25) …………….. Some interesting (26) ….……… have been done in libraries. If strangers come too close, many people get up and leave the building; others use different methods such as turning their back on the intruder. Living in cities has made people develop new skills for dealing with situations where they are very close to strangers. Most people on crowded trains try not to look at strangers; they avoid skin contact, and apologize if hands touch by mistake. People use newspapers (27) ………….. a barrier between themselves and other people, and if they do not have one, they stare into the distance, making sure they are not looking into anyone’s eyes.