【正文】 on the Antarctic ice sheet. 33.(A) That a snow cover can cause ice to melt. (B) How heat can prevent ice from melting. (C) How water flows into the ocean. (D) Why volcanoes have a slippery surface. 34.(A) Melting ice. (B) Snowfall (C) Glaciers which serve as barriers. (D) Variations in temperature in Antarctica. 35.(A) How to increase one’s speed in a bicycle race. (B) Major Canadian bicycle races. (C) The contribution of cycling to health. (D) An annual cycling event. 36.(A) The length of the course. (B) The route the cyclists take. (C) The number of participants. (D) The month in which the tour is held. 37.(A) They are not peting with each other. (B) They have to pay a high fee. (C) They tend to be beginning cyclists. (D) Most of them fail to finish the route. 38. (A) Chocolates. (B) Water (C) First aid. (D) Bicycle repair services. 39. (A) Reasons for increased productivity. (B) How wristwatches are manufactured. (C) The industrialization of the United States. (D) The development of individual timepieces. 40. (A) They were mon in the United States, but not in Europe. (B) Only a few people had them. (C) People considered them essential. (D) They were not very accurate. 41.(A) They were a sign of wealth. (B) It was important to be on time. (C) It was fashionable to wear them. 5 (D) They were inexpensive. 42.(A) Watches were of higher quality than ever before. (B) More clocks were manufactured than watches. (C) The availability of watches increased. (D) Watches became less important because factories had clocks. 43.(A) The difficulty of breeding electric fish. (B) The medical importance of electric fish. (C) How certain fish use electricity. (D) How fish navigate. 44.(A) To destroy tree roots. (B) To digest its food. (C) To protect its territory. (D) To find its way. 45.(A) To hear a translation of her talk. (B) To hear signals produced by electric fish. (C) To hear sounds used to train electric fish. (D) To hear a tape about electric fish. 46.(A) Improved understanding of diseases of the nervous system. (B) Improved understanding of a type of malnutrition. (C) Improved understanding of some types of bone disease. (D) improved understanding of disease of the internal ans. 47. (A) The origins and characteristics of modern dance. (B) The influence of modern dance on ballet. (C) Pioneer modern dancers. (D) The training of modern dance choreographers. 48.(A) They were created in Europe. (B) They were conventional. (C) The theaters were crowded. (D) The tickets were overpriced. 49.(A) Lightness of movement. (B) Elaborate scenery. (C) Free expression. (D) Rigid choreography. 50.(A) They performed mainly in Europe. (B) They imitated the techniques of ballet. (C) They performed to classical music. (D) They weren’t formally trained. Section Two: Structure and Written Expression fertile catkins of the willow tree are the green, caterpillarlike ones, monly ____in length. (A) or an inch more 6 (B) or an inch as (C) at least the inches (D) an inch or more shorthandled, longbladed weapon, similar to a dagger but larger. (A) Like a sword (B) A sword is (C) A sword is what (D) Before a sword 1948 the United States Secretary of States Dean Acheron ____ the Marshall Plan to aid the economic recovery of Europe after the Second World War. (A) begin to carry out (B) began carrying out (C) beginning and carrying out (D) to have begun carrying out protection of technologies and technological information has bee ______of many nations. (A) the importance of a concern (B) a concern of important (C) the importance concerning (D) an important concern Several years for bamboo seeds to grow into plants that can be used for mercial purposes. (A) To be taken (B) It takes (C) By taking (D) Although taking Miller’s Play Death of a Salesman is the tragic story of a man destroyed by his own hollow values and those of the society_____ . (A) he lives in which (B) in which he lives (C) which in he lives (D) lives he which in courtship,____ displays his greenandgold upper tail feathers before the peahen. (A) in which the crested peacock (B) which the crested peacock (C) the crested peacock that (D) the crested peacock Theories approximate the truth is the daytoday business of science. (A) Determining how closely (B) How closely to determine (C) How one determines close (D) One is close to determining earthworm is a worm_____ in moist, warm soil in many geographical areas. (A) where is it found (B) is found (C) and found it (D) found 7 Advance and retreat in their eternal rhythms, but the surface of the sea itself is never at rest. (A) Not only when the tides do (B) As the tides not only do (C) Not only do the tides (D) Do the tides not only monarch butterfly’s migration of 1,800 miles or more makes______ among insects. (A) uniquely (B) is uniquely (C) it unique (D) it is unique reagent is any chemical that reacts in a predictable way______ with other chemicals. (A) when mixed (B) when is mixed (C) it mixed (D) mixed is the 1950’s, Mahalia Jackson’s powerful, joyous gospel music style had gained her_____ . (A) and she had an international reputation (B) with an international reputation (C) which was her international reputation (D) an international reputation , or aircushion vehicles, are unusual_____ travel over land water on a layer of air. (A) they (B) in they (C) that they (D) in that they the United States, a primary election is a method_____ voters select the nominees for public office (A) that (B) is that (C) by which (D) by those 16. Allan Pinkerton, founder of the famous