皮皮学，免费搜题
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搜题
【单选题】
引起慢性胃炎的主要病因是A.
幽门螺杆菌感染
B.
自身免疫反应
C.
机械因素影响
D.
化学因素影响
E.
黏膜蜕变
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举一反三
【单选题】绘制统计表对数字的要求不正确的是
A.
缺失数字用“ - ”表示
B.
同一指标小数位数应一致
C.
无数字可以空项
D.
数字为 0 者记为“ 0 ”
E.
资料暂缺用“...”表示
【单选题】Listen again to part of the lecture．Then answer the question. Why does the professor say this:
A.
To explain why she doesn't like apples
B.
To describe a common disease of fruit
C.
To summarize the chain reaction of ripening
D.
To caution against eating unwashed fruit
【多选题】下列有关统计表的绘制要求的描述，正确的是______
A.
表号和表题应写在表的上方偏左
B.
统计表内可以有横线、斜线和竖线
C.
表注写在表的下面不列入表内
D.
表内同一列数字的小数点后的位数应一致，位次对齐
E.
表内无数据时应该用“——”表示
【简答题】下列十六进制数 476E.OA 转换成二进制_______________ ____ 。
【单选题】Listen again to part of the lecture．Then answer the question． Why does the professor say this:
A.
To test the students' knowledge of parties
B.
To find out which party the students support
C.
To introduce a point that he will make
D.
To show that all states have a two—party system
【多选题】下列有关统计表绘制要求的描述正确的选项是 :
A.
表号和表题应写在表的上方偏左
B.
统计表内可以有横线、斜线和竖线
C.
表注写在表的下面不列入表内
D.
表内同一列数字的小数点后的位数应一致，位次对齐
E.
表内无数据时应该用“—”表示
【单选题】Listen again to part of the conversation. Then answer the question. Why does the man say this:
A.
To show disappointment that the classes are full
B.
To express hope that the workshop will help him
C.
To state that the classes sound interesting
D.
To express pleasure that the workshops are free
【简答题】网上直接调查法可以分为() 、()和网络观察法,其中最常用的方法是()。
【单选题】Listen again to part of the lecture．Then answer the question． why does the professor say this：
A.
To compare the views from the North and South Poles
B.
To explain why extremes of daylight exist at the poles
C.
To point out where the auroras are most visible
D.
To suggest taking a trip to the North or South Pole
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