搜题
问题   更新时间2023/4/3 12:59:00

13. In manufacturing, cheaper materials are constantly being _______ for the better and more expensive kind. ( )(本题2.0分)
A、 replaced
B、 displaced
C、 substituted
D、 converted

答案
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标准答案：C

出自：青书学堂 >> 西安石油大学英语二

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第1题

12. ________ what many scientists seem to think, measurements and calculations are not the only way to discover truth.
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第2题

11. I regretted ____ the decision so hastily. ( )(本题2.0分) A、 Make B、 To make C、 Making D、 Have made
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第3题

10. ----I’ve just heard that the tickets for Swan Lake have been sold out! ( ) ---- Oh, No! _______________.(本题2.0分)
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第4题

9. ----Oh, I have a terrible toothache. ( ) ---- _________________.(本题2.0分) A、 I told you not to eat much sugar.
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