Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that hest fits each of the numbered blanks.
(25) _______ in the past scientists have looked at things such as diet and lifestyle for
an explanation of long life, these days they are investigating genetics. One such researcher is Eric Topol, who says, “There must be genes that explain why these individuals are protected from the aging (26) _______.”
The new research into long life looks at groups of people who have a genetic connection. For example, one group of interest lives in Ecuador. In one area of the country there are a number of people with the same (27) _______ condition. it's called Laron syndrome. The condition mea ns that they don't grow to more than about one metre, but it also seems to give them protection (28) _______ cancer and diabetes. As a result, they live longer than other people in their families. Meanwhile, on the Hawaiian island of Oahu, there’s another group of long-lived men, japanese-Americans. They have a similar gene to the Laron syndrome group.
Back in Calabria, scientists are trying to work out exactly how much of the longevity is due to genetics and how much to environment. By checking public records going back to the 19th century, researchers have reconstructed the family trees of 202 nonagenarians and centenarians. They (29) _______ that there were genetic factors involved.
(Source: http://www.rwilfe.com/long-ruld-healthy-life-0)
Điền vào số 25
A. While
B. if
C. When
D. Unless
Đáp án A
CHỦ ĐỀ HEALTHY LIFESTYLE AND LONGEVITY
Kiến thức về liên từ
A. While: trong khi, mặc dù B. If: nếu như
C. Then: sau đó thì D. Unless: trừ phi, nếu không thì
Tạm dịch: “(1)_____ in the past scientists have looked at things such as diet and lifestyle for an explanation of long life, these days they are investigating genetics.” (Mặc dù trước đây các nhà khoa học đã coi những thứ như chế độ ăn uống và lối sống để giải thích về sống thọ, nhưng ngày nay họ lại đang nghiên cứu về di truyền học.)