people have always been curious ______ how living things on the earth exactly be
题型：不详难度：来源：
| people have always been curious ______ how living things on the earth exactly began. |
答案
| D |
解析
| 介词辨析。句意：人们总是对地球上的生物如何确切的出现的很好奇。选D，关于，表示好奇的对象。 |
举一反三
He hurried to the airport and got _______ the plane just in time.| A．on board | B．in board | C．on the board | D．in the board |
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He’s ____ working in Germany as a representative of a Chinese company. | A．at once | B．at a time | C．at present | D．on time |
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____ what you said, he got very angry. | A．Because | B．Because of | C．Since | D．For |
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| When the police arrived, the crowd made off _____ all directions. |
–The love story between Mary and Peter went public..
--Well, that is why Mary’s parents were so awkward ___ the news. She is still a child.. |
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