2017年6月大学英语四级真题及答案(三) Part I Writing (30 minutes) (请于正式开考后半小时内完成该部分，之后将进行听力考试) Directions: For this part, you are allowed 30 minutes to write an advertisement on your campus website to sell some of the course books you used at college. Your advertisement may include a brief description of their content,their condition ,their price and your contact information. You should write at least 120 words but no more than 180 words. Part II Listening Comprehension (25 minutes) 说明：2017年6月大学英语四级考试全国共考了两套听力.本套的听力内容与第二套相同，因此本套听力部分不再重复给出。 Part Ⅲ Reading Comprehension (40 minutes) Section A Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices, Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once. Questions 26 to 35 are based on the following passage. As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes. Fear not, however, for coffee can stimulate them again. During (26)_______ exercise, our muscles tire as they run out of fuel and build up waste products. Muscle performance can also be affected by a (27)_______ called "central fatigue,” in which an imbalance in the body’s chemical messengers prevents the central nervous system from directing muscle movements（28)_______. It was not known, however, whether central fatigue might also affect motor systems not directly (29) _______ in the exercise itself, such as those that move the eyes. To find out, researchers gave 11 volunteer cyclists a carbohydrate (碳水化合物的）(30)_______ either with a moderate dose of caffeine