题目内容
6．---Do you know who ____ the tomb of Emperor Qin and who ___ the mobile phone？---No，but we may ask our teacher．（ ）
| A． | discovered/invented | B． | was discovered/was invented | ||
| C． | invented/discovered | D． | was invented/was discovered |
分析 --你知道谁发现了秦始皇陵和谁发明了手机吗？
--不，但是我们可以问老师．
解答 答案：A．discover"发现"，表示找到原来本来就有的事物；invent"发明"，表示制造出本来没有的事物．根据题干可知，秦始皇陵本来就有，应用"发现"discover；手机本来没有，被制造出来，应用invent．又根据主语who是动词discover和invent的执行者，与动词构成主动关系，应用主动语态．故选A．
点评 做本题时需要注意两点：一是正确区分discover和invent的区别，二是正确理解主动语态和被动语态的用法．
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