________ have an internal clock that controls the beating of our heart, and the
题型：不详难度：来源：
________ have an internal clock that controls the beating of our heart, and the ________ of our breathing.| A．Human being; steps | B．Humans; pace | | C．Human beings; steps | D．Man; pace |
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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； |
举一反三
—Would you do me a favor to choose a wedding dress?
—Of course, but it is a matter of personal ________.| A．concern | B．sense | | C．style | D．taste |
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Computer power now allows automatic searches of fingerprint files to match a print at a crime ________.| A．field | B．scene | | C．location | D．occasion |
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These overseas students who are studying in our college show great ________ for learning a new language.| A．enthusiasm | B．authority | | C．symptom | D．recreation |
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At the APEC Summit held in Yokohama, Japan, AsiaPacific leaders addressed ________ over global growth, regional economic development and emerging markets.| A．concerns | B．careers | | C．adaption | D．recognition |
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The ________ on driving after drinking alcohol is being carried out all over the country, which is helpful to reduce traffic accidents.| A．withdrawal | B．prejudice | | C．aim | D．ban |
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