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1、 It's said that tea was brought to （韩国） during the 6th and 7th centuries.
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2、 The zipper is such a great （发明）.
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3、 The customer thought the potatoes weren't thin enough. They were too （厚的）.
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4、 We use pens to write.（改为被动语态） Pens write by us.
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5、 Many things were invented by Edison.（改为主动语态）
Edison .
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6、 We saw him work for long hours last night.（改为被动语态）
He for long hours by us last night.
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7、 Radium（镭） was discovered by Madam Curie.（对划线部分提问）
radium by?
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8、 It was invented in 1876.（对划线部分提问）
it ?
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9、 她每次购物都必须列一个购物清单。
She must every time she goes shopping.
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10、 你知道火车是什么时候发明的吗？
Do you know the train ?
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11、 我认为双方观点都有道理。
I think both sides .
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12、 想一想手机在我们日常生活中使用多么频繁吧。
Think about the mobile phones in our daily life.
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13、 我们在夜间起床时，这些带灯的鞋可以被用来照亮黑暗。
These shoes can seeing in the dark when we get up at night.
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14、 从方框中选择适当的词并用其正确形式填空
style project pioneer electricity website
(1)、In the past few years, China has made much progress in many scientific .(2)、In China, thousands of lost their lives to fight for a better life. We should remember them forever.(3)、There are a lot of useful information about it on these .(4)、We were without for three hours, but it's on again now.(5)、The young man's teaching is different from that of many other teachers. -
15、 It gives me great (please) to welcome you here today.
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16、 Mount Yuntaishan in Jiaozuo is (list) as one of the most popular tourist spots in Henan Province.
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17、 Paper is among the four great (invention) in ancient China.
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18、 The science museum is open (day) throughout the year.
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19、 Lu Yu, who was known as "the saint of tea", (mention) Shen Nong in his book Cha Jing.
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20、 假设你是李华，你的美国笔友 Tom 对中国传统节日很感兴趣。请你给他写一封邮件，介绍你最喜欢的一个传统节日，如春节、中秋节等。内容包括：
1. 节日的时间和意义；
2. 人们如何庆祝这个节日；
3. 你喜欢这个节日的原因。
要求：
4. 词数：80 - 120 词；
5. 语言表达准确，语意通顺、连贯；
6. 文中不得出现真实姓名、校名和地名。