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【简答题】
火山爆发是近段时间人们常议论的话题，你知道吗，岩浆是多种物质成分组成的液体，在流淌过程中不断降温，就会按下列顺序先后在火山口形成一系列的矿物：橄榄石---辉石---角闪石----黑云母----正长石----白云母----石英。由此可以判断出这些矿物的熔点依次（填“升高”或“降低”）
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举一反三
【单选题】The Exploding Lakes of Cameroon What comes to mind when youthink of a lake? You probably imagine a pretty scene with bue water, brds, and fish. FOr the people in the northwestern Cameroon, however,the...
A.
Water will flow down the hills.
B.
Poisonous gases will bereleased suddenly.
C.
A strong wind will rise from the lakes.
D.
The volcanoes will come to life.
【单选题】某同学在实验室中做“观察洋葱表皮细胞的质壁分离和复原”这个实验时，在实验室老师的帮助下，进行了一系列的创新实验，实验步骤和现象如下表。对表的推断或解释不正确的是[ ]
A.
x为质壁分离，因为细胞渗透失水
B.
y为质壁分离，可能导致细胞失水过多而死
C.
z为细胞稍增大，细胞液颜色逐渐变浅
D.
④组无变化是因为细胞吸水量等于失水量
【单选题】调查过程中直接形成文字、图、表等一系列成果的总称是（），同时它也是广大地籍工作者辛勤劳动的结晶，应立卷、归档妥善加以管理。
A.
动态的地籍资料
B.
权属调查的技术总结
C.
地籍控制测量的技术总结
D.
初始地籍调查成果资料
【单选题】The Exploding Lakes of Cameroon What comes to mind when you think of a lake You probably imagine a pretty scene with blue water, birds, and fish. For the people in the northwestern Cameroon, however,...
A.
the gases rise to the top and mix with air.
B.
people from the villages turn over the water.
C.
scientists have put in a computer system.
D.
they have more gases trapped at the bottom than other crater lakes.
【单选题】胃窦部有一圆形溃疡，直径2cm，溃疡较浅，边缘不整齐，外形火山口状。其诊断最可能为（）.
A.
急性胃溃疡
B.
胃溃疡病
C.
应激性溃疡
D.
早期凹陷型胃癌
E.
溃疡型胃癌
相关题目：
【单选题】The Exploding Lakes of Cameroon What comes to mind when youthink of a lake? You probably imagine a pretty scene with bue water, brds, and fish. FOr the people in the northwestern Cameroon, however,the...
A.
Water will flow down the hills.
B.
Poisonous gases will bereleased suddenly.
C.
A strong wind will rise from the lakes.
D.
The volcanoes will come to life.
【单选题】某同学在实验室中做“观察洋葱表皮细胞的质壁分离和复原”这个实验时，在实验室老师的帮助下，进行了一系列的创新实验，实验步骤和现象如下表。对表的推断或解释不正确的是[ ]
A.
x为质壁分离，因为细胞渗透失水
B.
y为质壁分离，可能导致细胞失水过多而死
C.
z为细胞稍增大，细胞液颜色逐渐变浅
D.
④组无变化是因为细胞吸水量等于失水量
【单选题】调查过程中直接形成文字、图、表等一系列成果的总称是（），同时它也是广大地籍工作者辛勤劳动的结晶，应立卷、归档妥善加以管理。
A.
动态的地籍资料
B.
权属调查的技术总结
C.
地籍控制测量的技术总结
D.
初始地籍调查成果资料
【单选题】The Exploding Lakes of Cameroon What comes to mind when you think of a lake You probably imagine a pretty scene with blue water, birds, and fish. For the people in the northwestern Cameroon, however,...
A.
the gases rise to the top and mix with air.
B.
people from the villages turn over the water.
C.
scientists have put in a computer system.
D.
they have more gases trapped at the bottom than other crater lakes.
【单选题】胃窦部有一圆形溃疡，直径2cm，溃疡较浅，边缘不整齐，外形火山口状。其诊断最可能为（）.
A.
急性胃溃疡
B.
胃溃疡病
C.
应激性溃疡
D.
早期凹陷型胃癌
E.
溃疡型胃癌
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