Thank you for ______________ 。

A. helps me B. helping me C. help me D. helping me

B 【解析】句意：謝謝你幫助我。考查動(dòng)詞形式辨析題。thank sb. for doing感謝某人做了某事；介詞for表原因，后接動(dòng)名詞形式。根據(jù)句意結(jié)構(gòu)，可知選B。
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科目：初中英語(yǔ) 來(lái)源：北京市八區(qū)2018屆九年級(jí)二模分類匯編英語(yǔ)試卷--大閱讀 題型：回答問(wèn)題

閱讀短文，根據(jù)短文內(nèi)容回答問(wèn)題。

We see them everywhere — on boxes of food, on packages and on CDs. They, of course, are bar codes. The invention of bar codes has changed the way we shop and how companies learn where their products are.

It was two university students from America, Bernard Silver and Norman Woodland, who first got theidea of bar codes. In 1948, they heard that the president of a food company was looking for a way to easily get information about what was being sold to customers. They tried to help by using a code system. They invented a large electronic reader to read the codes. However, computers couldn’t easily record the data that was read.

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In addition to shops, hospitals use bar codes to recognize patients by giving them cards with bar codes on them. Libraries use bar codes to record which books have been lent, and airports use them to find out where bags are going. Bar codes have made life much easier and simpler.

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2.Who first got the idea of bar codes?

3.Why did Collins start his own company?

4.What do hospitals use bar codes to do?

5.What is the passage mainly about?

1.The invention of bar codes has changed the way we shop./The invention of bar codes./Bar codes. 2.It was two university students from America, Bernard Silver and Norman Woodland./Bernard Silver...

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——What happened to her?

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Monarch butterflies from eastern Canada make the most amazing journey in the insect world. Each year, this butterfly travels about 3000 miles to its winter home in central Mexico(墨西哥). How can it fly so far and why does it make this long and dangerous trip. Scientists still don’t have an answer.

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Each year, four generations of a Monarch butterfly family are born. Each generations of the family has a very different life. The first generation is born in the south in late April. It slowly moves north, reproduces(繁衍) , and then die. Each of these generations of butterflies lives for generations are born, reproduces, and die. Each of these generations of butterflies lives for only two or five weeks. In the autumn, the fourth generation of butterflies is born. This generation has a much longer life. It lives for about eight months. This generation of butterflies makes the amazing journey back to the winter there, and in the spring they reproduce and then die. Their offspring will be the first generation of the next circle of life.

Today, people are still studying the Monarch butterfly. But they are not clear about everything.

1.How long did it take the scientist to find out the Monarch butterflies came from Canada?

_______________________________________________________________________.

2.Which generation of Monarch butterflies travel back to central Mexico?

________________________________________________________________________

3.Does each generation of the family have the same life?

________________________________________________________________________

4.Try to translate the word “ offspring” into Chinese according to the passage.

________________________________________________________________________

5.The best title of the passage can be __________.

A. Family of Monarch butterflies B. Mystery of Monarch butterflies

C. Monarch butterflies’ birthplace D. Monarch butterflies’ winter home

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