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Unit 5 Meeting your ancestors A级:基础巩固 .单词拼写 1.A that it is true,what should we do now? 答案:Assuming 2.Faced with so heavy snow,I had no a but to stay at home watching TV programs. 答案:alternative 3.It was a race against time to stop people dying from (挨饿). 答案:starvation 4.How to teach children to behave themselves is of great s for their future development. 答案:significance 5.She’s beginning to get (皱纹)round her eyes. 答案:wrinkles 6.He could have finished it on schedule,but s he fell behind. 答案:somehow 7.She s her gum out before she came into the classroom. 答案:spat 8.All of us were amazed at his (准确)of predicting the weather. 答案:accuracy 9.I have made (试探性的) plans to take a trip to Seattle in July. 答案:tentative 10.My pencil is blunt—I’ll have to (使锋利) it. 答案:sharpen Ⅱ.单句改错 1.His cool expression suggested that he want to leave. 答案:want→wanted | 
