(37)_____ necessity. There are several options when it comes

Read the following passage and mark A, B, C, or D to indicate the correct answer to each of the blanks.

Modern industry pollutes, and it also seem to cause significant changes to the climate. What is needed is an industry that (41) _____ the benefits without the costs. And the glimmerings of such an industry can now be (42) ______.

That industry is based on biotechnology. At the moment, biotech‟s main uses are in medicine and agriculture. However, its biggest long term impact maybe industrial. Biotechnology will (43) _____ demand for oil by taking the cheapest raw materials imaginable, carbon dioxide and water, and using them to make fuel and plastics.

Plastics and fuels made in this way would have several advantages. They can be called “renewable”,

(44)_____ nothing is depleted to make them. They would be part of the natural carbon cycle, borrowing that element from the atmosphere for a few months, and returning it when they were burned or (45) _____. That means they could not possibly contribute to global warming. They would also be environmentally friendly in other ways.

All in all, the future could be green in ways that traditional environmentalists had not expected.

Read the following passage and write the letter A, B, C or D on the top of the first page to indicate the correct answer to each of the questions.

The ___(46)____ for many young people today is to communicate with others over the Internet and have a life online. They way they do this is through social networking web sites such as Facebook and Twitter. However, the people who ___(47)____ their lives online are also putting themselves at risk, and they may not even understand how they are doing so.

The key to limiting risk is to keep certain pieces of information private. If you do any banking online, for example, it is important to note that dates of birth are often used as a(n) ____(48)_____ feature by banks. They will need to know your identification number and possibly your address as well, but to ____(49) ____. They will need to know your identification your identity, they might ask you for your date of birth. If a criminal were to gain access to your account number at a bank, and then obtain your address from public records, the one thing that he would not have would be your birth date.

These days, however, a lot of people list their dates of birth openly on Facebook ____(50)____ their friends can wish them well on their birthdays. Unfortunately, doing so could end up being a recipe for disaster.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer for each of the questions from 1 to 5.

Throughout the world there are different ways for people to greet each other. In much of the world, a handshake is the (1)__________ form of welcoming and greeting someone. In many countries around the Mediterranean Sea a (2)___________ kiss on the cheek is the appropriate way to welcome friends and family. It can be a very (3)__________ surprise if you expect to shake hands and get a kiss or a hug instead. At times, it is difficult to tell what sort of greeting (4)___________ is followed. People may bow, grab another‟s arm or even slap the other person on the back. In some places people just smile, look at the other‟s face and say nothing.

Most people in the world are tolerant of visitors and don‟t mind what travellers do that seems wrong as long as the visitors are (5)__________. A big part of the delightfulness of world travel is experiencing different customs.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrases that best fits each of the numbered blanks.

Parents and teachers are alwaysmaking (31) ______ between the time when they were children and the present generation . They say everything was better than it is today, especially ineducation. (32) ______, they say they used to work much harder in school, and that nowadays, we aren‟t very interested. I disagree, because we spend hours every day doing homework after our lessonsor (33) ______ for exammination. Iwonder (34) _____ our parents really had to study somuch after school every day. In my opinion, it is no exaggeration to say we have forgotten how to play. I think one reason whykids (35) _____ in class is because they need to get rid ofstress.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 6 to 10.

Since the time of Nostradamus, meteorologists have been trying to decipher the mystery of climatic changes. Their objective has been to be able to precisely (6)______ the weather for the days to come. In the past, meteorologists looked skywards to find hints in the clouds. At present, their eyes are directed at the spots(7)______the most intriguing climatic transformations come about, namely, the ultimate depths of the oceans where swirls, whirlpools and waves generate the patterns for the future weather.

The most efficient way of (8)_____ hold of the ever changing map of the swirling currents circulating their heat around the planet is from space. Weather satellites equipped (9)_____complicated instruments examine the surface and the bottom of the oceans and determine the exact height of water. The impressive advantage offered by satellite scanning is that measurements can be (10)_____even in the most inaccessible parts of the oceans and can provide daily pictures of the water surface together with the calculated wave height and wind speed.