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【简答题】
根据下列选项，回答 193～194 题。 第 193 题 暴发型流脑的临床特点（ ）
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【简答题】为了解某校高中学生的视力情况，对该校学生按年级进行分层抽样调查，已知该校高一、高二、高三分别有学生800名、600名、500名，若高三学生共被抽取25名，则高一年级应被抽取的学生数为 ．
【单选题】What do you think of Qingdao?
A.
birthplace of traditional Chinese culture
B.
political, economic and cultural center , City of Springs
C.
a beautiful seaside city,beer,good weather,fine beaches
D.
Penglai Pavilion, the story of the Eight Immortals
E.
the leader of Five Scared Mountains, 30 old temples and 66 scenic spots
【简答题】我国历史上最早描述海市蜃楼这一现象的是哪部书籍？
【单选题】Qufu is _____________________
A.
birthplace of traditional Chinese culture
B.
political, economic and cultural center , City of Springs
C.
a beautiful seaside city,beer,good weather,fine beaches
D.
Penglai Pavilion, the story of the Eight Immortals
E.
the leader of Five Scared Mountains, 30 old temples and 66 scenic spots
【单选题】Taian is _________
A.
birthplace of traditional Chinese culture
B.
political, economic and cultural center , City of Springs
C.
a beautiful seaside city,beer,good weather,fine beaches
D.
Penglai Pavilion, the story of the Eight Immortals
E.
the leader of Five Scared Mountains, 30 old temples and 66 scenic spots
【单选题】Mount Tai is _____________________
A.
birthplace of traditional Chinese culture
B.
political, economic and cultural center , City of Springs
C.
a beautiful seaside city,beer,good weather,fine beaches
D.
Penglai Pavilion, the story of the Eight Immortals
E.
the leader of Five Scared Mountains, 30 old temples and 66 scenic spots
【简答题】某校为了解学生的视力情况，要从不同年级抽取学生100人测量他们的视力．已知该校高一、高二、高三分别有学生1500人、1800人、1700人，则应从高一年级抽取______人．
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