Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
The pain of a migraine headache can virtually disable a person who suffers from it. Millions and millions of people suffer from migraines, although many of them do not even recognize that a migraine is different from a regular headache. A migraine is not at all the same as a normal headache, and it seems to have a very physical cause.
One symptom of a migraine is a precursor, which is a visual aura before an attack. Yet only about a third of patients actually experience that, and it is, therefore, not a requirement in the diagnosis. Other symptoms include increased pain when a person moves, nausea, and sensitivity to light and sound.
Scientists now believe that migraines are caused, not by abnormal blood vessels as previously believed, but instead by a unique electrical disorder of brain cells. Physicians used to treat migraines with medicine to constrict blood vessels because of the belief that dilated blood vessels were the cause. The new research has been enhanced by imaging devices that allow scientists to watch patients’ brains during an attack. The results show that sufferers have abnormally excitable neurons, or brain nerve cells. Prior to the attack, the neurons suddenly fire off electrical pulses at the back of the brain, which ripple like waves on a lake after a stone hits the water. They ripple across the top and then the back of the brain, ultimately affecting the brain stem where the pain centers are located. The pain then generates possibly from the brain stem itself or from blood vessels inflamed by the rapidly changingblood flow, or perhaps from both.
Scientists have experimented by applying a powerful magnet to stimulate the neurons and discovered that some people’s brains react differently than others’. When stimulation was applied to the brains of people who had suffered migraines, they saw the initial aura, and some actually suffered migraines. When the same stimulation was applied to the brains of people who had never suffered migraines, they realized no effect and the neurons showed no change.
Scientists and doctors continue to work on the research in an attempt to find the perfect treatment. It is considered important to treat migraines because it is believed that prolonged untreated attacks could cause physical changes in the brain leading to chronic pain.
The best title for this passage would be what?
A. Imaging As a Means of Studying Migraine
B. New Treatments for Migraines
C. New Evidence of How Migraines Are Formed
D. How Migraines and Headaches are Different
Giải bởi qa.haylamdo.com
Đáp án : C
Đáp án A: Hình ảnh là 1 phương pháp nghiên cứu đau nửa đầu-> đúng nhưng chỉ là 1 ý nhỏ. Đáp án B: Phương pháp mới chữa đau nửa đầu-> Sai vì phương pháp chữa vẫn đang được tìm kiếm: “Scientists and doctors continue to work on the research in an attempt to find the perfect treatment.” Đáp án C:Dấu hiệu mới về cách đau nửa đầu hình thành-> Đúng vì trong bài xuất hiện nhiều từ “cause” (nguyên nhân), Đáp án D: sự khác biệt giữa đau đầu và đau nửa đầu-> Đúng nhưng chỉ là 1 ý nhỏ.
The higher one rises in the atmosphere_________, the temperature generally becomes.
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The wave lengths(A) of ultraviolet light are shorter than that (B) of visible light but (C) longer than those (D) of X-rays.
Up to now_________,space exploring still remains_________very risky, complex, and expensive endeavor.
Color and light, taken together,_________the aesthetic impact of the interior of a building.
Allan: “Do you mind if I use your dictionary?” Nick: “ _________.”
It was not until she arrived at school_________realized she had forgotten her book.
With the help of modern devices, those who suffer hearing or vision find life easier.
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Cameras (A) of one type or another(B) have been using(C) for more than a hundred(D) years.
_________1772, Maryland's state capitol is still in use and is one of the most attractive public buildings in the United States.
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
Willa Cather is known(A) for My Antonia and another(B) novels of the (C) American frontier(D) .
Read the following passage, and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase for each of the blanks.
The role of translation enabling literature to pass beyond its natural frontiers is receiving growing recognition. In view of the general increase in this (30)_____, it is not surprising that many people with literary interests and a knowledge of languages should think of adopting translating as a full-or part-time (31)_____. Some advice may usefully be given to such would-be translators.
The first difficulty the beginner will (32)_____is the unwillingness of publishers to entrust a translator to anyone who has not already (33)____a reputation for sound work. The least publishers will (34)____ before commissioning a translator is a fairly lengthy specimen of the applicant’s work, even if unpublished. Perhaps the best way the would-be translator can begin is to select some books of the type (35)_____ he or she feels competent and eager to translate, translate a (36)_____section of the book and then submit the book and the translation to a suitable publisher. If he or she is extremely lucky, this may result in a commission to translate the book. More probably, however, publishers will
(37) the book as such but if they are favorably (38) by the translation, they may very possibly commission some other books of a (39) nature which they already have in mind.
Điền vào ô 34
