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第1题

13. In manufacturing, cheaper materials are constantly being _______ for the better and more expensive kind. ( )(本题2.0分
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第2题

12. ________ what many scientists seem to think, measurements and calculations are not the only way to discover truth.
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第3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4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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