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【单选题】
下列生物中具有细胞结构但没有成形细胞核的是（　　）
A.
变形虫
B.
大肠杆菌
C.
病毒
D.
酵母菌
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举一反三
【单选题】Leaving no stone unturned in your ______ for the fugitive, gentlemen, I wish you every advantage, for the individual we seek is swift-witted, wily, and capable of the swiftest ______ .
A.
adamancy ... vengeance
B.
wrath... chicanery
C.
search... elusions
D.
consanguinity ... maneuvers
E.
hunt... delusions
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【简答题】The Ecomagination campaign contributes to carbon emission reduction by ______.
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【单选题】What will be the result of harmful emission reductions for the developing countries?
A.
Developing countries will be able to shun the mistakes made by developed countries in harmful emission.
B.
Economy of developing countries will be affected.
C.
Developing countries will meet the present emission standard for their industrialized needs.
D.
Developing countries will get money that can help them deduce waste emission.
查看完整题目与答案
【简答题】舌前 2/3 黏膜的温痛觉是 神经支配;舌前 2/3 黏膜的味觉是 神经支配;舌后 1/3 黏膜的温痛觉是 神经支配;舌肌是 神经支配。
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【单选题】基因位于常染色体上,纯合体在所有个体中都表达,杂合子在不同的性别中表达不同,这种遗传( )
A.
伴性遗传
B.
限性遗传
C.
延迟显性
D.
从性遗传
查看完整题目与答案
【单选题】"fugitive" means_______.
A.
逃犯
B.
盗贼
C.
亡命徒
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【单选题】下列数据中有效数字是4位的是( )。
A.
0.6000
B.
0.060
C.
0.0600
D.
pH=6.009
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【单选题】The word laser was coined as an acronym for Light Amplification by the Stimulated Emission of Radiation. Ordinary light, from the sun or a light bulb, is emitted spontaneously, when atoms or molecules...
A.
light bulb
B.
energy
C.
molecule
D.
atom
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【简答题】某动物细胞中位于常染色体上的A、B、C三个基因分别对a、b、c完全显性。用2个纯合个体杂交得F 1 ，F 1 测交结果为aabbcc：AaBbCc：aaBbcc：AabbCc=1：1：1：1。 (1)请在下图中画出F 1 体细胞中三对基因在染色体上的位置图解。 (2)对F 1 个体性腺组织细胞进行荧光标记，等位基因A、a都被标记为黄色，等位基因B、b都被标记为绿色，在荧光显微镜下观察处于四分体时期...
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【单选题】The word laser was coined as an acronym for Light Amplification by the Stimulated Emission of Radiation. Ordinary light, from the Sun or a light bulb, is emitted spontaneously, when atoms or molecules...
A.
A device for stimulating atoms and molecules to emit light.
B.
An atom in a high-energy state.
C.
A technique for destroying atoms or molecules.
D.
An instrument for measuring light waves.
查看完整题目与答案
相关题目：
【单选题】Leaving no stone unturned in your ______ for the fugitive, gentlemen, I wish you every advantage, for the individual we seek is swift-witted, wily, and capable of the swiftest ______ .
A.
adamancy ... vengeance
B.
wrath... chicanery
C.
search... elusions
D.
consanguinity ... maneuvers
E.
hunt... delusions
查看完整题目与答案
【简答题】The Ecomagination campaign contributes to carbon emission reduction by ______.
查看完整题目与答案
【单选题】What will be the result of harmful emission reductions for the developing countries?
A.
Developing countries will be able to shun the mistakes made by developed countries in harmful emission.
B.
Economy of developing countries will be affected.
C.
Developing countries will meet the present emission standard for their industrialized needs.
D.
Developing countries will get money that can help them deduce waste emission.
查看完整题目与答案
【简答题】舌前 2/3 黏膜的温痛觉是 神经支配;舌前 2/3 黏膜的味觉是 神经支配;舌后 1/3 黏膜的温痛觉是 神经支配;舌肌是 神经支配。
查看完整题目与答案
【单选题】基因位于常染色体上,纯合体在所有个体中都表达,杂合子在不同的性别中表达不同,这种遗传( )
A.
伴性遗传
B.
限性遗传
C.
延迟显性
D.
从性遗传
查看完整题目与答案
【单选题】"fugitive" means_______.
A.
逃犯
B.
盗贼
C.
亡命徒
查看完整题目与答案
【单选题】下列数据中有效数字是4位的是( )。
A.
0.6000
B.
0.060
C.
0.0600
D.
pH=6.009
查看完整题目与答案
【单选题】The word laser was coined as an acronym for Light Amplification by the Stimulated Emission of Radiation. Ordinary light, from the sun or a light bulb, is emitted spontaneously, when atoms or molecules...
A.
light bulb
B.
energy
C.
molecule
D.
atom
查看完整题目与答案
【简答题】某动物细胞中位于常染色体上的A、B、C三个基因分别对a、b、c完全显性。用2个纯合个体杂交得F 1 ，F 1 测交结果为aabbcc：AaBbCc：aaBbcc：AabbCc=1：1：1：1。 (1)请在下图中画出F 1 体细胞中三对基因在染色体上的位置图解。 (2)对F 1 个体性腺组织细胞进行荧光标记，等位基因A、a都被标记为黄色，等位基因B、b都被标记为绿色，在荧光显微镜下观察处于四分体时期...
查看完整题目与答案
【单选题】The word laser was coined as an acronym for Light Amplification by the Stimulated Emission of Radiation. Ordinary light, from the Sun or a light bulb, is emitted spontaneously, when atoms or molecules...
A.
A device for stimulating atoms and molecules to emit light.
B.
An atom in a high-energy state.
C.
A technique for destroying atoms or molecules.
D.
An instrument for measuring light waves.
查看完整题目与答案