Câu ví dụ #1
1. Now, by comparing the genome of the giraffe with its closest relative, the short-necked okapi, scientists have unpicked part of the puzzle by pinpointing changes in a small number of genesresponsible both for regulating body shape and circulation.
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2. One theory is that harmful pathogens could be carried in saliva and dental plaque, or through diseased gum tissues into the blood circulation.
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3. The Vietnamese government is attempting to halt the circulation online of images from beauty pagents, concerts and other events that it deems 'immoral'.
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