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【单选题】
硬度HRC标尺所用的压头是( )A.
淬火钢球
B.
硬质合金球
C.
金刚石圆锥体
D.
铁球
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【简答题】选词填空， 从方框中选择合适的单词填入下列句子中，每次只用一次。 improved, memorize, vocabulary, difficult, solution, pronunciation, sentence, spoken, original, impress 1. Can you help me with my English? My _______ is not good. 2. ...
【简答题】选词填空 从方框中选择合适的单词填入下列句子中。 turn, cut, peel, mix, drink, roll, eat, pour, have, boil, add, take, put, make 1. How long does it ________ to get to school? 2. I can't come. I ________ a really busy day. 3....
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【简答题】阅读下面的短文，从文后方框中选择恰当的句子填入文中空白处。 When you read this sentence, the population of the earth has grown by 10 people. 1.________ Most of these new people are born in developing countries. 2.________ In the d...
【简答题】选词填空从方框中选择合适的单词填入下列句子中。 Turn, cut, peel, mix, drink, roll, eat, pour, have, boil, add, take , put, make 1. How long does it _______ to get to school? 2. I can't come. I _______ a really busy day . 3....
【简答题】选词填空，从方框中选择合适的单词填入下列句子中，每次只用一次。 either…or, no longer, right now, try…out, thanks to, carry on, make sure, as…as, used to, be proud of 1. We are ______ children. We should learn to look after ourselves...
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