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题目
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________ have an internal clock that controls the beating of our heart, and the ________ of our breathing.
A.Human being; stepsB.Humans; pace
C.Human beings; stepsD.Man; pace

答案
B
解析
B 考察名词。句义:人类体内有一个生物钟,它控制我们的心跳和呼吸的节奏。因为谓语是have,所以排除AD,humans="human" beings,但steo的含义是脚步,步伐;
核心考点
试题【________ have an internal clock that controls the beating of our heart, and the 】;主要考察你对数词等知识点的理解。[详细]
举一反三
—Would you do me a favor to choose a wedding dress?
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A.concernB.sense
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Computer power now allows automatic searches of fingerprint files to match a print at a crime ________.
A.fieldB.scene
C.locationD.occasion

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These overseas students who are studying in our college show great ________ for learning a new language.
A.enthusiasmB.authority
C.symptomD.recreation

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A.concernsB.careers
C.adaptionD.recognition

题型:不详难度:| 查看答案
The ________ on driving after drinking alcohol is being carried out all over the country, which is helpful to reduce traffic accidents.
A.withdrawalB.prejudice
C.aimD.ban

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