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【单选题】
地质学中,岩石圈指的是( )。 A. 地壳; B. 地幔和地壳的总称; C. 地核; D. 地壳及地幔最上部的固体岩层
A.
地质学中，岩石圈除地壳外，还包括地幔最上部的固体岩层
B.
地质学中，岩石圈不包括对流层之下的地幔部分
C.
地质学中，岩石圈指的是地壳及地幔最上部的固体岩层 ，因此本选项是错的
D.
地质学中，岩石圈指的是 地壳及地幔最上部的固体岩层 ，因此本选项是对的
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Ⅱ类
B.
Ⅰ类
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【单选题】带“回”字符号标志的手持电动工具是( )工具。
A.
Ⅰ类
B.
Ⅱ类
C.
Ⅲ类
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【单选题】.带“回”字符号标志的手持电动工具是( )工具
A.
I类
B.
Ⅱ类
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【单选题】The greatest pressure decrease in the circulation occurs across the arterioles because
A.
They have the greatest surface area
B.
They have the greatest cross-sectional area
C.
The velocity of blood flow through them is the highest
D.
The velocity of blood flow through them is the lowest
E.
They have the greatest resistance
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【单选题】罗伯逊易位携带者细胞内染色体数目为( )条。
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44
B.
45
C.
46
D.
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【单选题】回流比的( )值为最小回流比
A.
上限
B.
下限
C.
平均
D.
混合
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【单选题】A car is going around a racetrack at constant speed. The curves around the track have different radii. In which turn is the magnitude of the car's acceleration the greatest?
A.
It is the greatest in the turn with the greatest radius.
B.
It is the greatest in the turn with the smallest radius.
C.
The acceleration is zero everywhere because of the constant speed.
D.
More information is needed to determine the answer.
E.
None of the others
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【单选题】Austrilia is the greatest island in the world. The greatest island 的同义短语是?
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lie in the south of
B.
be known for
C.
both..and..
D.
larger than any other island
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相关题目：
【单选题】回流比的下限值为
A.
内回流
B.
外回流
C.
全回流
D.
最小回流比
查看完整题目与答案
【单选题】带“回”字符号标志的手持电动工具是( )工具。
A.
I类
B.
II类
C.
Ⅲ类
查看完整题目与答案
【单选题】带“回”字符号标志的手持电动工具是()工具。
A.
Ⅱ类
B.
Ⅰ类
C.
Ⅲ类
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【单选题】带“回”字符号标志的手持电动工具是( )工具。
A.
Ⅰ类
B.
Ⅱ类
C.
Ⅲ类
查看完整题目与答案
【单选题】.带“回”字符号标志的手持电动工具是( )工具
A.
I类
B.
Ⅱ类
C.
Ⅲ类
查看完整题目与答案
【单选题】The greatest pressure decrease in the circulation occurs across the arterioles because
A.
They have the greatest surface area
B.
They have the greatest cross-sectional area
C.
The velocity of blood flow through them is the highest
D.
The velocity of blood flow through them is the lowest
E.
They have the greatest resistance
查看完整题目与答案
【单选题】罗伯逊易位携带者细胞内染色体数目为( )条。
A.
44
B.
45
C.
46
D.
47
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【单选题】回流比的( )值为最小回流比
A.
上限
B.
下限
C.
平均
D.
混合
查看完整题目与答案
【单选题】A car is going around a racetrack at constant speed. The curves around the track have different radii. In which turn is the magnitude of the car's acceleration the greatest?
A.
It is the greatest in the turn with the greatest radius.
B.
It is the greatest in the turn with the smallest radius.
C.
The acceleration is zero everywhere because of the constant speed.
D.
More information is needed to determine the answer.
E.
None of the others
查看完整题目与答案
【单选题】Austrilia is the greatest island in the world. The greatest island 的同义短语是?
A.
lie in the south of
B.
be known for
C.
both..and..
D.
larger than any other island
查看完整题目与答案