- Choose the word that has the main stress placed differently from that of the others.. - Choose the word or phrase - a, b, c or d - that best completes the sentence or substitutes for the underlined word or phrase.. - of science and technology in the past few decades.. - From his window in space, Gagarin had a view of the Earth that no human beings had done before.. - Choose the word or phrase - a, b, c or d - that best completes the sentence.. - be able to have gotten b. - have been able to get c. - to have been able to get d. - be able to get. - was able to buy 19. - able to work on the project.. - was able to c. - The existence of many stars in the sky. - Choose the word or phrase - A, B, C or D - that needs correcting.. - All the students in the class are enough good to pass the final exam.. - During first ten years of the Space Age, which began in 1957, more than. - Choose the word - a, b, c or d - that best fits the blank space in the following passage.. - Is there life on Mars? Many people have (36. - forms to be found on Mars.. - of water vapor could be found on Mars. - who feel that life on mars is not possible. - In 1965, the Mariner IV capsule managed to take photographs of the planet. - So, scientists presume the valleys on Mercury were caused by different things, that is to say not by volcanoes, but by very large meteorites, which also caused the cracks in the terrain and left the ridges rough and uneven. - Show more of the planet, Mercury.. - b, c or d - choose the one that best completes the sentence.. - the expansion of the universe b. - that life began billions of years ago in the water.. - In the belief c. - in the atmosphere is the temperature falling below freezing.. - Choose the sentence -a, b, c or d - which is closest in meaning to the printed one.. - In the class of twenty, Jeanne is the third best student.. - Jeanne is not as smart as most of the other students.. - She is unqualified to fill the position as executive secretary of the firm.. - Slightly more than twenty five percent of the students in the class come from Spanish-speaking countries.. - The majority of the students in the class do not speak Spanish.. - Seventy-five percent of the students in the class speak Spanish.. - The percentage of the students who speak Spanish is less than twenty-five percent.. - About twenty-five percent of the students in the class speak languages other than Spanish.