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【单选题】
男性,30岁,2天内呕咖啡样胃内容物2次,排黑便5次。平素时有饥饿性中上腹痛,有时饮酒。体格检查:血压100/70mmHg,脉搏98次/分,腹平软,中上腹轻压痛,未及包块,出血原因首先考虑( )A.
急性胃黏膜病变
B.
消化性溃疡
C.
胃癌
D.
食道静脉曲张破裂
E.
慢性胃炎
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【简答题】 sure that the______(茶壶嘴)of the teapot is not facing anyone.
【简答题】数据之间的差异程度或频数分布的分散程度称为（ ）。
【判断题】Federalism is a very important principle in making the Constitution, which aims at making sure that the national government shares certain powers with the states.
A.
正确
B.
错误
【单选题】The correct way of holding chopsticks is to hold chopsticks , making sure that the ends are even.
A.
in the middle
B.
at the end
C.
on the top
D.
as you like
【单选题】Intermediaries create ________ by making sure that the consumers get what they need where they want it.
A.
time utility
B.
place utility
C.
form utility
D.
service utility
【判断题】Convincing the audience of a message's benefits involves two main steps of making sure that the benefit really will occur, and explaining it to the audience.
A.
正确
B.
错误
【简答题】是点该点发光飞碟好烦人
【简答题】数据的分散程度称为数据的（ ）。
【简答题】Many children act in TV shows. They work several hours every day, so they can not go to regular school. How do they get an education? In Hollywood many TV shows are made. About forty teachers give les...
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