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【单选题】
上消化道出血最常见的病因:
A.
消化性溃疡
B.
胆道疾病
C.
急性糜烂性胃炎
D.
贲门黏膜撕裂综合征
E.
肝硬化食管静脉曲张破裂
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参考答案：
举一反三
【单选题】广义地讲，爆炸是物质系统的一种极为迅速的物理或化学能量释放或转化的过程，是系统蕴藏或瞬间形成的大量能量在有限的体积和极短时间内，骤然释放或转化的现象。爆炸现象的最主要特征是（）。
A.
爆炸过程持续进行
B.
爆炸点附近压力急剧升高
C.
周围介质发生震动
D.
温度显著升高
查看完整题目与答案
【单选题】What happened during the Mexican Grand Prix?
A.
Several drivers were killed in the accident.
B.
There was a multiple motor vehicle collision.
C.
His car ran into the car in front of him.
D.
His car was damaged but he wasn't hurt.
查看完整题目与答案
【单选题】What happened during the agricultural expansion in the southern Great Plains?
A.
People improved the soil by planting wheat.
B.
Raising cattle and other livestock became less common.
C.
Most of the landowners became farmers.
D.
Much of the grassland was destroyed.
查看完整题目与答案
【判断题】爆炸是大量能量在短时间内迅速释放或急剧转化成机械功的现象。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What happened during the Third Century Crisis?
A.
Rural population in provinces distanced from the metropolis
B.
Huns conquered Byzantium
C.
Urbanization achieved higher level and majority of population moved to cities
D.
Elementary education became mandatory for population in provinces
查看完整题目与答案
【单选题】亲选择主要是要说明自然选择作用的对象为
A.
个体
B.
群体
C.
基因
D.
家族
查看完整题目与答案
【单选题】What happened during the War of 1812?
A.
Uncle Sam became a national symbol.
B.
Uncle Sam Wilson and his brother were recruited as army officers.
C.
Americans' interest in their national identity was renewed.
查看完整题目与答案
【单选题】广义地讲，爆炸是物质系统的一种极为迅速的物理或化学能量释放或转化的过程，是系统蕴藏的或瞬间形成的大量能量在有限的体积和极短的时间内，骤然释放或转化的现象。爆炸现象的最主要特征是（ ）。
A.
爆炸过程持续进行
B.
爆炸点附近压力急剧升高
C.
周围介质发生震动
D.
温度显著升高
查看完整题目与答案
【多选题】What happened during Yu’s flood taming?
A.
He met Nüjiao at Tushan and married her.
B.
Three times he passed his home,but he did not have time to visit his wife.
C.
His wife turned herself into a rock.
D.
When he was cutting the most difficult mountain, he turned himself into a tiger.
查看完整题目与答案
【单选题】广义地讲，爆炸是物质系统的一种极为迅速的物理或化学能量释放或转化的过程，是系统蕴藏的或瞬间形成的大量能量在有限的体积和极短的时间内，骤然释放或转化的现象。爆炸现象的最主要特征是（）。
A.
爆炸过程持续进行
B.
爆炸点附近压力急剧升高
C.
周围介质发生震动
D.
温度显著升高
查看完整题目与答案
相关题目：
【单选题】广义地讲，爆炸是物质系统的一种极为迅速的物理或化学能量释放或转化的过程，是系统蕴藏或瞬间形成的大量能量在有限的体积和极短时间内，骤然释放或转化的现象。爆炸现象的最主要特征是（）。
A.
爆炸过程持续进行
B.
爆炸点附近压力急剧升高
C.
周围介质发生震动
D.
温度显著升高
查看完整题目与答案
【单选题】What happened during the Mexican Grand Prix?
A.
Several drivers were killed in the accident.
B.
There was a multiple motor vehicle collision.
C.
His car ran into the car in front of him.
D.
His car was damaged but he wasn't hurt.
查看完整题目与答案
【单选题】What happened during the agricultural expansion in the southern Great Plains?
A.
People improved the soil by planting wheat.
B.
Raising cattle and other livestock became less common.
C.
Most of the landowners became farmers.
D.
Much of the grassland was destroyed.
查看完整题目与答案
【判断题】爆炸是大量能量在短时间内迅速释放或急剧转化成机械功的现象。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What happened during the Third Century Crisis?
A.
Rural population in provinces distanced from the metropolis
B.
Huns conquered Byzantium
C.
Urbanization achieved higher level and majority of population moved to cities
D.
Elementary education became mandatory for population in provinces
查看完整题目与答案
【单选题】亲选择主要是要说明自然选择作用的对象为
A.
个体
B.
群体
C.
基因
D.
家族
查看完整题目与答案
【单选题】What happened during the War of 1812?
A.
Uncle Sam became a national symbol.
B.
Uncle Sam Wilson and his brother were recruited as army officers.
C.
Americans' interest in their national identity was renewed.
查看完整题目与答案
【单选题】广义地讲，爆炸是物质系统的一种极为迅速的物理或化学能量释放或转化的过程，是系统蕴藏的或瞬间形成的大量能量在有限的体积和极短的时间内，骤然释放或转化的现象。爆炸现象的最主要特征是（ ）。
A.
爆炸过程持续进行
B.
爆炸点附近压力急剧升高
C.
周围介质发生震动
D.
温度显著升高
查看完整题目与答案
【多选题】What happened during Yu’s flood taming?
A.
He met Nüjiao at Tushan and married her.
B.
Three times he passed his home,but he did not have time to visit his wife.
C.
His wife turned herself into a rock.
D.
When he was cutting the most difficult mountain, he turned himself into a tiger.
查看完整题目与答案
【单选题】广义地讲，爆炸是物质系统的一种极为迅速的物理或化学能量释放或转化的过程，是系统蕴藏的或瞬间形成的大量能量在有限的体积和极短的时间内，骤然释放或转化的现象。爆炸现象的最主要特征是（）。
A.
爆炸过程持续进行
B.
爆炸点附近压力急剧升高
C.
周围介质发生震动
D.
温度显著升高
查看完整题目与答案
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