__________is healthy food .you should eat more of it.A.lettuce B.butter哪一个C.popcorn D.Hamburger请说明原因,

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__________is healthy food .you should eat more of it.A.lettuce B.butter哪一个C.popcorn D.Hamburger请说明原因,

__________is healthy food .you should eat more of it.A.lettuce B.butter哪一个C.popcorn D.Hamburger请说明原因,
__________is healthy food .you should eat more of it.A.lettuce B.butter哪一个
C.popcorn D.Hamburger请说明原因,

__________is healthy food .you should eat more of it.A.lettuce B.butter哪一个C.popcorn D.Hamburger请说明原因,
A 莴苣:lettuce
读作:wō jù
莴苣(Lactuca sativa)菊科,莴苣属,一、二年生草本植物.莴苣可分为叶用和茎用两类.莴苣的名称很多,在本草书上称作「千金菜」,「莴苣」和「石苣」.叶用莴苣又称春菜、生菜,茎用莴苣又称莴笋、香笋.我国各地栽培面积莴笋比生菜多.莴笋的肉质嫩,茎可生食、凉拌、炒食、干制或腌渍.生菜主要食叶片或叶球,近年来在各大城市尤其是南方沿海各省的大城市有所发展,成为当前增加花式品种的主要蔬菜.莴苣茎叶中含有莴苣素,味苦,高温干旱苦味浓,能增强胃液,刺激消化,增进食欲,并具有镇痛和催眠的作用.