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【简答题】
近年来，石油已经成为我国重要的进口物资。回答各题。 小题1:下图为我国今后15年石油需求与产量的预测，已知对外依存度=进口量／消耗量。下列说法正确的是 A．2015年后我国石油对外依存度将首次超过1／2 B．2020年我国石油对外依存度为38．54％ C．石油产量增长缓慢，但石油需求日益增长 D．我国石油的对外依赖程度将逐年降低 小题2:为保证我国石油的战略安全，下列措施中叙述错误的是 A．采取节油措施 B．加强地质勘探 C．投资开发国外石油 D．减少汽车数量 小题3:目前我国石油消费总量不断上升，与下列交通工具发展有密切关系的是 A．飞机航线增多 B．汽车数量增多 C．火车大幅度地提速 D．海轮吨位增大 小题4:我国对石油资源的开发方针是 A．在开发中保护，在保护中开发 B．加快近海油田的开发 C．立足国内，兼顾国外 D．大力投资开发国外油田
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举一反三
【单选题】According to the passage, which of the following is a similarity between genetic code and computer code?
A.
The number of elements used.
B.
The way the bases and bytes are grouped.
C.
The infinite number of possible sequences that can be produced.
D.
The way in which the codes are' Written.
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【单选题】The genetic code refers to( )
A.
Amino acids in protein molecules
B.
Bases in which mRNAs are arranged from the 5' end to the 3' end Bases are arranged in
C.
tRNA molecules
D.
mRNA starts from the start code every three adjacent bases
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【单选题】某资本主义企业始终100万元的生产资料,支付工资50万元。剩余价值率为100%,积累率为50%,那么,资本积累量为( )。
A.
50万元
B.
75万元
C.
25万元
D.
以上都不对
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【简答题】请将下句话改为更加礼貌的语言。 I have not checked them in because they have not shown me identification.
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【简答题】遗传密码(genetic code)
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【简答题】请将下句话改为更加礼貌的语言。 I’m afraid I’m unable to do anything for you, sir. Only the front desk can issue another key.
查看完整题目与答案
【简答题】请将下句话改为更加礼貌的语言。 To be honest, the credit card you used didn’t work. It was declined due to insufficient funds.
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【判断题】Companies are trying to alter the pig's genetic code to prevent pig organs from being attacked by humans.()
A.
正确
B.
错误
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【单选题】Why is the genetic code said to be degenerate or redundant?
A.
There is more than one possible code for many of the amino acids
B.
The RNA over time mutates and those changes affect the DNA code.
C.
There are multiple codes that spell start to begin the translation of the code.
D.
There is only one code to stop translation, the others were lost through the years.
查看完整题目与答案
【简答题】比较适合于在Internet上传输的图像格式是()。 [A]JPEG [B]HTML [C]BMP [D]GIF
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相关题目：
【单选题】According to the passage, which of the following is a similarity between genetic code and computer code?
A.
The number of elements used.
B.
The way the bases and bytes are grouped.
C.
The infinite number of possible sequences that can be produced.
D.
The way in which the codes are' Written.
查看完整题目与答案
【单选题】The genetic code refers to( )
A.
Amino acids in protein molecules
B.
Bases in which mRNAs are arranged from the 5' end to the 3' end Bases are arranged in
C.
tRNA molecules
D.
mRNA starts from the start code every three adjacent bases
查看完整题目与答案
【单选题】某资本主义企业始终100万元的生产资料,支付工资50万元。剩余价值率为100%,积累率为50%,那么,资本积累量为( )。
A.
50万元
B.
75万元
C.
25万元
D.
以上都不对
查看完整题目与答案
【简答题】请将下句话改为更加礼貌的语言。 I have not checked them in because they have not shown me identification.
查看完整题目与答案
【简答题】遗传密码(genetic code)
查看完整题目与答案
【简答题】请将下句话改为更加礼貌的语言。 I’m afraid I’m unable to do anything for you, sir. Only the front desk can issue another key.
查看完整题目与答案
【简答题】请将下句话改为更加礼貌的语言。 To be honest, the credit card you used didn’t work. It was declined due to insufficient funds.
查看完整题目与答案
【判断题】Companies are trying to alter the pig's genetic code to prevent pig organs from being attacked by humans.()
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why is the genetic code said to be degenerate or redundant?
A.
There is more than one possible code for many of the amino acids
B.
The RNA over time mutates and those changes affect the DNA code.
C.
There are multiple codes that spell start to begin the translation of the code.
D.
There is only one code to stop translation, the others were lost through the years.
查看完整题目与答案
【简答题】比较适合于在Internet上传输的图像格式是()。 [A]JPEG [B]HTML [C]BMP [D]GIF
查看完整题目与答案