John _______ so hard on his project that he didn’t notice his mom enter the room.

A. works

B. has worked

C. was working

D. will work

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請閱讀下面短文，根據(jù)短文內(nèi)容從每小題所給的A、B、C、D四個選項(xiàng)中選出最佳選項(xiàng)。

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STD RETURN ADULT

DATE VALID(有效曰期) TICKET NUMBER

18 OCTOBER 2019 124466 9001273

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OXFORD (OXF) ## ￡22.50

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1.When can the owner use the ticket?

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科目：初中英語 來源：江西省撫州市2018-2019學(xué)年九年級下學(xué)期期中英語試卷 題型：閱讀單選

On April 26, a big Chinese ship caught the eye of the whole world. China's first homemade aircraft carrier(航空母艦)hit the water in Dalian, Liaoning. It is the largest and best ship China has ever built, according to China Daily.

The new ship is China's second aircraft carrier and it has no name yet. China's first aircraft carrier is called Liaoning, which was bought from Ukraine and later rebuilt by China.

The new aircraft carrier was designed in China and the building began in 2013.The ship now must be completed at sea.

An aircraft carrier is like an airport on the sea. It can carry hundreds of planes and troops to wars. Planes fly from and land back on it, and soldiers work and live on it. Thanks to aircraft carrier, planes can fight along with warships. They allow planes to take off and land from anywhere in the ocean around the world.

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When you hear the word EPCOT, maybe you think of the building in the Disney park 1. (immediate)—even if you have never been there. But what does the word EPCOT actually mean?

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Great changes in Zigong in the past years.

A.have taken place B.were taken place

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科目：初中英語 來源：2020年廣東省深圳市中考一模英語試卷 題型：單選題

---What an amazing city Shenzhen is! It is modern and clean with many beautiful parks.

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Flying is a fast way to travel. But it is a big headache for some people. They can’t help worrying about things like “Is it dangerous if we don’t change our mobile phones to airplane mode(飛行模式)? ”Here are some interesting facts about flying.

Why are plane windows round?

It’s for safety. As the airplane flies higher and higher, the atmospheric pressure(氣壓)outside gets lower and lower. During the flight, the pressure inside the plane becomes greater than the pressure outside.

When this happens, square windows can break. That’s because having different pressures inside and outside puts stress on the corners of square windows. But rounded corners can spread the pressure more evenly(均勻地)across the window’s surface(表面)，making it less likely to break.

What happens when a phone isn’t in airplane mode?

Some passengers believe mobile phones and tablets need to be turned off because they can bring the plane down. However, this is not true.

If you don’t change your phone to airplane mode, plots and air traffic controllers may hear unpleasant sounds in their headphones. This makes it harder for them to communicate. So it’s still best to put your devices(設(shè)備) in airplane mode.

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Round windows

It’s for 1. .

As the airplane flies higher ,the pressure2.the plane is greater than the pressure3. When this happens, square windows can 4.while round windows spread the pressure more evenly5.the window’s surface.

Phones in airplane mode

Some people believe that their plane will crash if they don’t 6.their devices off. It’s not7..

Keep your phone on while flying will make unpleasant 8. in pilots’ and air traffic controllers’ 9..This makes it harder for them to10. .

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