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7. ________ his brother got the first winner. They were very excited.

   A. In the end         B. By the end         C. At first

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6. Chinese is now _______ by many people in different places.

   A. learning          B. learnt             C. learns

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5. This kind of shoes is made by a worker ______ Johnson.

   A. name            B. names            C. named

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4. My bedroom ______ every morning. My mom _______ it.

   A. cleans/ is cleaning   B. is cleaned/ cleans     C. cleaned/ cleaning

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3. Can you tell me _______the train was invented?

   A. what             B. who              C. where

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2. What are those strange things used_______ , do you know?

   A. to               B. in               C. for

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1. Many friends of ______have some inventions.

   A. my              B. mine             C. I

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3. discover, find out 和invent的区别。

discover, find out 和invent都有“发现”的意思,但各自又有自己的特点。

1)discover的意思是“发现”,指发现的对象是原本就存在的,只是以前不知道。

   Xiao Ming discovered a new star in the sky last night.

   小明昨天晚上发现了空中的一颗新星。

2)invent 的意思是“发明”,发明的对象是以前从来没有过的新东西。

Do you know who invented bicycles?

你知道谁发明的自行车吗?

3)find out 是指 “发现;查明”,强调找出原因,发现情况等。

   In the end, the old grandma found out the number of the children.

   老奶奶最后终于弄清了孩子们的数(有多少孩子)。

[模拟试题](答题时间:40分钟)

I. 选择填空:

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2. Although tea wasn’t brought to the western world until 1610,…

not…until… 的意思是“直到……,才……。”

We didn’t finish our work until midnight yesterday.

我们昨天午夜才结束工作。

Mr Chen won’t come here to see us until he returns to China.

直到陈先生回到中国才能来看我们。

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1. 题目 Who invented tea? 谁发明了茶?

请比较:Who was tea invented by? 茶是由谁发明的?

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