皮皮学，免费搜题
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【单选题】
口唇干燥并有皲裂,见于A.
严重脱水
B.
单纯疱疹病毒感染
C.
褐黄色缺乏
D.
维生素 C缺乏
E.
维生素 E缺乏
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反馈参考答案：
举一反三
【单选题】我国对（ ）实行预防接种证制度，国家免疫规划项目的预防接种实行（ ）接种
A.
义务教育阶段学生，有偿
B.
成年人，有偿
C.
西部地区，免费
D.
东部地区，有偿
E.
儿童，免费
【单选题】Hardly had the plane landed _____the people ran toward it.
A.
when
B.
but
C.
till
D.
and
【单选题】Hardly the people ran toward it .
A.
had the plane landed when
B.
had the plane 1anded than
C.
the plane had landed when
D.
the plane Was landing than
【单选题】Hardly _____ landed when the people ran toward it.
A.
had the plane
B.
the plane had
C.
has the plane
D.
the plane has
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