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这篇资料是2019年12月大学英语四级考试的第三套真题,主要包含三个部分:Writing、Listening Comprehension和Reading Comprehension。虽然没有提供听力部分,但我们可以专注于阅读理解部分来深入讨论相关知识点。 在Part Ⅲ Reading Comprehension中,考生需要完成一个填空题型的任务。这段阅读材料讲述了飞机旅行对人体的影响。文章指出,尽管机舱内压力被调节以避免高原反应,但高海拔仍然可能导致旅客感到困倦或头痛。机舱内的低氧压相当于6,000至8,000英尺海拔的环境。这种氧气压力的下降可能对某些人引起头痛。为了预防头痛,建议乘客多喝水,避免酒精和咖啡。 此外,文章还揭示了飞机上的食物可能并非人们通常认为的那么无味。在飞机上呼吸的干燥空气会干燥口腔和鼻腔,从而影响味觉感知。在模拟飞行条件下,人们对甜和咸食物的感知降低了近30%。然而,通过喝水可以重新激活味蕾。口干可能会降低味觉敏感性,但是通过保持口腔湿润,可以改善这一状况。 这部分阅读理解涉及了生理学、环境适应以及人体感知等方面的知识。考生需要具备一定的词汇量和理解能力,才能准确地从提供的单词列表中选择合适的词汇填入空白处,以完成阅读理解题目。这不仅测试了他们的语言技能,也考察了他们在实际情境中应用这些知识的能力。 在备考大学英语四级时,学生应注重提高阅读速度、理解精度,同时要掌握一定的词汇量,以便在考试中能迅速理解文章大意,准确答题。此外,了解文章背景知识,如人体对高海拔环境的反应,也可以帮助考生更好地理解文章内容,从而提高答题的准确性。
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2019 年 12 月大学英语四级考试真题(第 3 套)
Part Ⅰ Writing (30 minutes)
Directions: For this part, you are allowed 30 minutes to write a letter to a foreign friend who
wants to learn Chinese. Please recommend a university to him. You should write at least 120
words but no more than 180 words.
Part Ⅱ Listening Comprehension
特别说明: 由于多题多卷,官方第三套真题的听力试题与第二套真题的一致,
只是选项顺序不同,因此,本套试卷不再提供听力部分。
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.
Millions of people travel by plane every single day. If you re planning on being
one of them soon, you might not be looking forward to the 26 feeling air travel often
leaves you with.
Besides the airport crowds and stress, traveling at a high altitude has real effects
on the body. Although the pressure of the cabin is 27 to prevent altitude sickness, you
could still 28 sleepiness or a headache.The lower oxygen pressure found in an aircraft
cabin is 29 to that at 6,000-8,000 feet of altitude. A drop in oxygen pressure can cause
headaches in certain 30 . To help prevent headaches, drink plenty of water,and avoid
alcohol and coffee.
Airplane food might not really be as tasteless as you 31 thought. The air you
breathe in a plane dries out your mouth and nose, which can affect your sense of taste.
Perception of sweet and salty foods dropped by almost 30 percent in a simulation of air
travel. However, you can make your taste buds active again by drinking water. A dry
mouth may 32 taste sensitivity, but taste is restored by drinking fluids.
Although in-fight infections 33 in dry environments like airplanes, your risk of
getting sick from an airplane is actually low because of the air 34 used. Unless you're
sitting next to someone who is coughing or sneezing, you shouldn't worry too much
about getting sick. However, bacteria have been shown to live on cabin surfaces, so
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