皮皮学，免费搜题
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搜题
【单选题】
结肠癌最应重视的早期症状是A.
腹痛
B.
贫血
C.
排便习惯改变
D.
粪便带脓血或黏液
E.
肿块
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】鳏寡孤独废疾者皆有所养。
A.
Helpless widows and widowers, the lonely, as well as the sick and disabled,are well cared for.
B.
Widows, widowers, orphans, childless olds, the disabled, and the sick can all have a source of livelihood.
C.
Those who have no kin and cannot support themselves as well as those who are sick or handicapped should all be properly taken care of.
【简答题】西湖龙井是绿茶的一种。（ ）