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【单选题】
下列选项中( )属于不能强化的食品种类。A.
谷类食品
B.
海产品
C.
日常食用调味品
D.
饮料
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皮皮学刷刷变学霸
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【简答题】企业信息化的含义?
【单选题】古人膳食搭配的原则:( )为养、( )为益、( )为充、( )为助。 选择一项:
A.
五畜，五谷，五菜，五果
B.
五谷，五畜，五菜，五果
C.
五谷，五畜，五果，五菜
D.
五谷，五菜，五畜，五果
【简答题】How many people pay a visit to central London every day?
【简答题】Many immigrants in America ______(渴望有机会) to return to their homeland for a visit.
【单选题】Do you plan to visit London? There are many English sights to see, but there are many international sights, sounds, and foods too. London is a city with many different groups of people. In a visit to ...
A.
Do you plan to visit London?
B.
There are many English sights to see, but there are many international sights, sounds, and foods too.
C.
London is a city with many different groups of people.
D.
In a visit to London, you see the world.
【简答题】企业信息化的含义?
【单选题】有关肺通气阻力的叙述,下列哪项是错误的
A.
肺通气阻力可分为弹性阻力和非弹性阻力
B.
弹性阻力包括肺和胸廓的弹性阻力
C.
弹性组织在外力作用下变形时，具有对抗变形和回位倾向的力量，称为弹性阻力
D.
平静呼吸时非弹性阻力是主要因素，约占总阻力的70%
E.
弹性阻力可用顺应性表示，两者呈反比关系
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