A. researchers are sure that the differences between genders will affect Alzheimer’s risk.
B. the influence of a handful of genes and genetic variants on Alzheimer’s has not been scientifically illuminated.
D. the results of all research on Alzheimer’s are different from each other.
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Đáp án B
Có thể suy ra từ đoạn văn cuối rằng _______________.
A. các nhà khoa học chắc chắn rằng sự khác biệt về giới tính sẽ ảnh hưởng tới nguy cơ bị Alzheimer.
B. sự ảnh hưởng của một nhóm gien và các biến thể gien lên bệnh Alzheimer vẫn chưa được làm sáng tỏ về mặt khoa học.
C. các nghiên cứu đã nghiên cứu toàn bộ các nhóm người tham gia về nguy cơ mất trí nhớ.
D. kết quả của các nghiên cứu về Alzheimer đều khác nhau.
Căn cứ thông tin đoạn cuối:
Research by scientists at the University of Miami has revealed a handful of genes and genetic variants appear to be linked to Alzheimer’s disease in just one biological sex or the other. While the actual importance of these factors has yet to be unpicked, and the study only looked at white participants, the team says it underscores that there could be a genetic reason for differences in the risk of dementia in men and women, and the way it develops.
(Nghiên cứu của các nhà khoa học tại trường Đại học Miami đã phát hiện ra 1 nhóm gien và các biến thể gien có liên quan tới bệnh Alzheimer chỉ ở giới tính này hay giới tính kia. Trong khi tầm quan trọng của các nhân tố này vẫn chưa được làm sáng tỏ, và nghiên cứu chỉ quan sát ở nhóm người da trắng, các nhà nghiên cứu cho rằng có thể có 1 nguyên nhân về gien cho sự khác nhau về nguy cơ mất trí nhớ ở nam và nữ, và cách chúng phát triển).
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.
How might volunteering contribute to lower blood pressure? Performing volunteer work could increase physical activity among people who aren’t otherwise very active, says lead study author Rodlescia Sneed, a doctoral candidate in social and health psychology at Carnegie Mellon University. It may also reduce stress. “Many people find volunteer work to be helpful with respect to stress reduction, and we know that stress is very strongly linked to health outcomes,” she says.
As with any activity thought to improve health, researchers are trying to identify the specific characteristics of volunteering that provide the greatest benefit. For example, how much time would you need to put into volunteer work to lower your blood pressure or live longer? In the Carnegie Mellon study, 200 hours of volunteering per year correlated to lower blood pressure. Other studies have found a health benefit from as little as 100 hours of volunteering a year. Which types of volunteer activities improve health the most? No one really knows. Sneed speculates that mentally stimulating activities, like tutoring or reading, might be helpful for maintaining memory and thinking skills, while “activities that promote physical activity would be helpful with respect to cardiovascular health, but no studies have really explored this.”
One key for deriving health benefits from volunteering is to do it for the right reasons. A 2012 study in the journal Health Psychology found that participants who volunteered with some regularity lived longer, but only if their intentions were truly altruistic. In other words, they had to be volunteering to help others—not to make themselves feel better.
The Greek philosopher Aristotle once surmised that the essence of life is “To serve others and do good.” If recent research is any indication, serving others might also be the essence of good health.
(Source: https://www.health.harvard.edu/)
What does the passage mainly discuss?
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Today, illegal hunting still threatens many species, especially large mammals such as tigers, rhinoceros, bears and even primates.
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.
I was an MBA student in the USA and I lived in the university’s coed dormitory. In my culture, usually, if a woman talks to a man, it is a sign of romantic interest. (23)_______, in the first few days of school, I found it strange that so many women were talking to me and I was under the impression that some women on my dormitory floor were interested in me. To (24) _____ their politeness, I would buy them flowers or offer small gifts, as is done in my country. However, I was quite surprised to see that these same women now seemed (25) _______ around me. One was even quite offended and told me to leave her alone. Eventually I talked to the residence adviser on my floor to see what I was doing wrong, and he explained to me the way men and women usually interact in the USA. I was quite relieved to hear that (26) _____ was wrong with me, but rather with the way I was interpreting my conversations with women. Even though I did not find the love of my life while I was in the USA, I still made many good female friends afterwards (27) _______I still maintain contact.
(Source: https://books.google.com.vn)
I still made many good female friends afterwards (27) _______I still maintain contact.
Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
She was sitting on the grass, out of breath. She ____. She shouldn't have run so long.
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
