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1).爱提问,上小学经常问一些奇怪的与学习无关的问题。
2).母亲只好把他领回家,并亲自教他。
3).他对科学很感兴趣,做很多零活,如卖报挣钱,建了一个小实验室。
4).一生中有许多发明,使人们生活更方便,例如,电灯。
—Yes, I agree with you.
—I don't think so. Now ______ the young ______ the old are learning to speak English.
— Just by hands, I didn't use any (tools/science).
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