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
36
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
Kolb’sLearningStylesPsychologistDavidKolbpr
Heknew______aboutwhathadhappenedtohisunit,didhe?A、mostB、mostlyC、alm
HowShouldYouBuildupYourVocabularyExactlywhatdoyoudo
高精度全站仪可以用来测量低频振动幅值。()
在线监测系统的巡视时,应检查监测装置的外观应()。(A)无锈蚀(B)
“你的痛苦我是可以理解的”,表明心理咨询师对求助者使用了( )多选。A、积
常用的抗肿瘤药给药途径有:动脉、静脉、肌内、腔内、口服五种途径用于对组织无刺激性
如果某投资者拥有一份期权合约,使其有权在某一确定时间内以确定的价格购买相关的资产
流水施工参数中的时间参数包括( )。A.施工段 B.施工过程 C.流水节拍
双代号网络图的基本构成要素有()。A.箭线 B.节点 C.虚工作 D.线
最新回复
(
0
)