A British study has found that B vitamins can reduce brain shrinkage in older people with mild memory loss. It【B1】______that B v

admin2013-10-08  39

问题     A British study has found that B vitamins can reduce brain shrinkage in older people with mild memory loss. It【B1】______that B vitamins caused an average 1/3 reduction in brain shrinkage among adults who had trouble remembering. David Smith was a leader of the study. He【B2】______the use of the vitamins as simple and safe. He also said researchers do not yet know if B vitamins could【B3】______or slow Alzheimer’s disease(老年痴呆症).
    Vitamins are important for good health. These complex organic substances help to【B4】______chemical changes within cells. If we do not get enough of the vitamins we need in our food, we are at risk of developing【B5】______diseases. Some shrinkage of the brain is thought to happen【B6】______ as people grow older. Yet studies have shown a correlation between a larger shrinkage and Alzheimer’s disease.
    The researchers say about one in six people over the age of 70 have problems with mental operations. They say half of these people【B7】______ serious loss of mental ability, as in Alzheimer’s disease. Over time, the disease robs people of their memories. Finally, it【B8】______their ability to care for themselves.
    Prof. Smith had a warning for older adults worried about memory loss. He said they should talk to their doctors before starting to take the vitamins. He added that the vitamins could speed the【B9】______of some cancers. The results did not show a difference in loss of abilities such as【B10】______, language and memory. That was true whether or not the people took the vitamins.
【B5】

选项

答案numerous

解析 句意推断题。空格前为developing,空格后为名词diseases,故此处应填入名词或形容词作定语。根据常识可知,缺乏维生素会带来“多种”疾病。结合录音可知,答案为numerous。
转载请注明原文地址:https://kaotiyun.com/show/mx27777K
0

最新回复(0)