I. Choose the word which has the underlined part pronounced differently from the rest:

II. Choose the best answer among A, B, C or D that best completes each sentence:

III. Read the text below to decide the correct answers:

Personal computers, or PCs, are an important part of our everyday lives. Many people cannot imagine life without them. One of the most important people in making these machines work is Bill Gates. Bill Gates was born in 1955 in Washington State. He grew up in a rich family. His parents sent him to a private school. There he met his business partner, Paul Allen. When they were in eighth grade, they were writing programs for business computers and making more.

In 1973, Gates was accepted at Harvard University. His parents were happy. They thought he would get over his obsession with computers and become a lawyer like his father. Two years later, Gates dropped out of Harvard to work on a computer program with his friend Allen. They worked eighteen hours a day in a dormitory room at Harvard. They were writing the program that would run one of the first personal computers. In 1975, they created a company called Microsoft to sell their product.
Allen became ill with cancer and left Microsoft in 1983. He recovered a few years later and started his own company. Meanwhile, Microsoft became a giant company. By 1990, at the age of thirty-four, Gates was the youngest billionaire in the history of the United States. He was the "King of Software". He achieved his success with a lot of hard work. For more than ten years, he worked sixteen-hour days, seven days a week. He had a dream and the will to succeed. By 1997, he was the richest man in the United States.

VI. Read the passage carefully and choose the best option to fill in each blank:

In the last 100 years, technology has (21)__________ changed the way we live. At the touch of a button, we can look (22)____ almost anything we need to know on the internet. We have electricity, aero planes, television and we have ever been (23)____ the moon. So what sort of inventions will be there in the 21st century? Indeed is there anything important still left (24)__________ ? It (25)_________ that there is. Scientists all over the world are looking (26)______ Nano technology with a great deal of interest. This is the science of building small machines and when we say small, we mean very small. To give you an idea of the size the scientists are talking about, these machines would be about a million billion times smaller than the smallest bit of dust. Nano technology will (27)___________ enormous changes. Doctors, (28)___________, will be able to cure any illness. The environment will be improved because it will be possible to take the polluted air we breathe and make it clean again. But perhaps the most (29)________ thought of all is that we won’t have to wait a thousand years for Nano technology – many people believe there is a good chance it will come in our (30)_________ .