[填空题] Many people imagine that Alzheimer’’s disease (早老性痴呆病), the degenerative disorder that ultimately leaves sufferers with total memory loss, is an inevitable result of aging. This is not so. 【B1】 the risks of contracting the disease increase with age, there are many elderly people 【B2】 memories are perfect. Most of us are so ill- 【B3】 about all forms of memory loss that we label everything as "Alzheimer’’s". Alzheimer’’s disease itself can 【B4】 people as young as 30 and can progress either quickly or slowly. It can also 【B5】 the blame for other non-degenerative conditions such as deep depression. 【B6】 only an examination of the brain tissue during an autopsy (解剖) can produce an accurate 【B7】 of the disease. The causes of Alzheimer’’s are unknown. They may be either 【B8】 or environmental. A study in 1996 of 13,000 people whose parents or siblings had the disease showed they had five times 【B9】 chance of succumbing 【B10】 the age of 80 than those with no family 【B11】 of the problem
A. A．least
B．then
C．last
D．latter

[填空题] Many people imagine that Alzheimer’’s disease (早老性痴呆病), the degenerative disorder that ultimately leaves sufferers with total memory loss, is an inevitable result of aging. This is not so. 【B1】 the risks of contracting the disease increase with age, there are many elderly people 【B2】 memories are perfect. Most of us are so ill- 【B3】 about all forms of memory loss that we label everything as "Alzheimer’’s". Alzheimer’’s disease itself can 【B4】 people as young as 30 and can progress either quickly or slowly. It can also 【B5】 the blame for other non-degenerative conditions such as deep depression. 【B6】 only an examination of the brain tissue during an autopsy (解剖) can produce an accurate 【B7】 of the disease. The causes of Alzheimer’’s are unknown. They may be either 【B8】 or environmental. A study in 1996 of 13,000 people whose parents or siblings had the disease showed they had five times 【B9】 chance of succumbing 【B10】 the age of 80 than those with no family 【B11】 of the problem
A. A．affect
B．inhibit
C．confine
D．constrain