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【简答题】
将下列主动语态变成被动语态。 1. We must finish the work in two days. The work must _____ in two days. 2. Mrs. Green has given Robert a present for Christmas. Robert _____ a present for Christmas. 3. We have used paper and printing for ages. Paper and printing _____ for ages. 4. He doesn't think computers can replace books. He doesn't think books _____ by computers. 5. We have bought some gifts for the poor children. Some gifts _____ for the poor children.
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【简答题】现代轿车上熔断丝和大部分继电器都安装在______的正面,几乎全部主线束从其背面插接后通往各个__________。
【简答题】在抹面砂浆中掺入纤维材料可以改变砂浆的( )。
【简答题】阅读理解。 What will people die of 100 years from now? If you think that is a question, you have not been paying attention to the revolution that is taking place in bio-technology (生物技术). With the h...
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