首页
登录
职称英语
In recent years, researches have suggested more health value from vitamin D
In recent years, researches have suggested more health value from vitamin D
游客
2023-09-08
37
管理
问题
In recent years, researches have suggested more health value from vitamin D than had once been thought.
Vitamin D is【C1】______ naturally in the blood. Sunlight is a【C2】______ source. It is also found in some foods. Vitamin D helps to increase levels of calcium in the blood. It helps build strong bones and teeth.
It also【C3】______ to do more than just protect against rickets (软骨病). That serious bone disease was the reason why vitamin D was added to milk. Rickets is now【C4】 ______ in the western world. But it is still a common childhood disease in developing countries. Rickets can and is also【C5】______ to cause bone pain and weakness, teeth problems and muscle【C6】______
According to the study by the Harvard School of Public Health, Vitamin D might protect against multiple sclerosis (硬化症), also called MS.
MS is a【C7】______ disease of the central nervous system that【C8】______ about two million people around the world. There is no【C9】______ . The level of severity can differ from person to person. But is usually seriously disabling.
The study iii Boston found that people with higher levels of vitamin D had lower【C10】______ of MS. It found that the chance of developing MS was sixty-two percent lower among those with the highest level of vitamin D【C11】______ those with the lowest level.
Vitamin D may become a future【C12】______ for MS. But, he says first scientists must carry【C13】______ a large, controlled study in which some people get vitamin D and others【C14】______ not.
This is not the first study to show a possible【C15】______ between vitamin D and multiple sclerosis. But it has【C17】______ the clearest evidence of a direct【C16】______ . The National Institutes of Health says some studies also suggest vitamin D【C18】______ protect against some kinds of【C19】______ . But it says more human studies are needed to learn if a lack of vitamin D【C20】______ the risk of cancer. [br] 【C18】
选项
A、may
B、should
C、can
D、must
答案
A
解析
情态动词辨义题。该空的答题点在于后文“but it says more human studies are needed...”,故对于维他命D能否抵抗癌症,作者的态度不该是完全肯定的。因此应选择A may“可能”。
转载请注明原文地址:https://tihaiku.com/zcyy/2996584.html
相关试题推荐
Interestinpursuinginternationalcareershassoaredinrecentyears,enha
Interestinpursuinginternationalcareershassoaredinrecentyears,enha
Interestinpursuinginternationalcareershassoaredinrecentyears,enha
Interestinpursuinginternationalcareershassoaredinrecentyears,enha
Interestinpursuinginternationalcareershassoaredinrecentyears,enha
Interestinpursuinginternationalcareershassoaredinrecentyears,enha
Interestinpursuinginternationalcareershassoaredinrecentyears,enha
Theconceptofpersonalchoiceinrelationtohealthbehaviorsisanimport
Theconceptofpersonalchoiceinrelationtohealthbehaviorsisanimport
Theconceptofpersonalchoiceinrelationtohealthbehaviorsisanimport
随机试题
Researchershavesuggestedthatone’semotionalintelligence(EQ)isagreater
Personalityistoalargeextentinherent—A-typeparentsusuallybringabo
在Authorware中,关于移动图标的说法中错误的是()。A.移动图标只能移动
消费和投资的增加将导致()。A.国民收入减少 B.国民经济总财富量减少 C
下列有关直肠淋巴引流的描述,正确的是A.沿直肠上动脉到肠系膜上动脉旁淋巴结 B
为了实施最佳配合,在确定某排球赛上场队员的组成时,甲、乙、丙三位教练对小王和小李
信息披露义务人应当在重大事件发生之日起()日内编制并披露临时报告书A:3B:5
关于保险合同变更和解除的说法,正确的是()。A.保险合同变更只可以采用口头
近年来,乡村旅游因其特有的自然资源、风俗民情和历史脉络而对游客产生了越来越强的吸
科目汇总表账务处理程序适用于()。A、经济业务较少的单位 B、经济业务较多的单
最新回复
(
0
)