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Some 　　　　of the flu, such as headache and aching muscles are often caused by poisonous products.

A. systems B. symptoms

C. customs D. bottoms

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增加：在缺詞處加一個漏字符號（∧），并在其下面寫出該加的詞。刪除：把多余的詞用（＼）劃掉。

修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。

注意：每句話只有一處錯誤，每處錯誤及其修改僅限一詞。

1.The evening party we were looking forward to coming finally.

2.Disappointing and angry, he left the meeting room.

3.The old couple often take a walk after supper in the park with their pet dog followed them.

4.I regret tell you that you did not do very well in the exam.

5.On a clear day, you can see the temple at the distance.

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7.Ghan is short of Afghanistan.

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You may think that sailing is a difficult sport, but it is really not hard to learn it. You do not need to be strong. But you need to be quick. And you need to understand a few basic rules about the wind. First, you must ask yourself, “Where is the wind coming from? Is it coming from ahead or behind or from the side?” You must think about this all the time on the boat. The wind direction tells you what to do with the sail.

Let’s start with the wind blowing from behind. This means the wind and the boat are going in the same direction. Then you must always keep the sail outside the boat. It should be at a 90° angle (角度) the boat. Then it will catch the wind best.

If the wind is blowing from the side, it is blowing across the boat In this case, you must keep the sail half way outside the boat. It should be at a 45° angle to the boat. It needs to be out far enough to catch the wind, but it shouldn’t flap (擺動). It shouldn’t look like a flag on a flagpole. If it is flapping, it is probably out too far, and the boat will slow down.

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A safari park is a park in which wild animals are kept. They are mainly located in east or central Africa. They often occupy a very wild area, with mountains and rivers. To visit the park and look at the animals, people have to drive around — in a car for a few of hours because the park is huge.In south Africa there is a safari park, which contains all sorts of wild animals like lions, elephants, rhinoceroses(犀牛), zebras, wild pigs, deer and giraffes.

There is a wild road leading through the park, but nobody is permitted to walk on the road. Anyone traveling in the park has to go in a car because wild animals may fiercely attack people. From the car he may see almost every types of African wildlife. Some of these are getting scarce(稀有的) because people kill them for various reasons. For example, rhinoceroses are killed for their horns(角), which are used in traditional Chinese medicines for colds and headaches. Perhaps they will be seen only in museums and books one day.

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contribute to be absorbed in benefit from answer for wind up

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On June 23, 2010, a Sunny Airlines captain with 32 years of experience stopped his flight from departing. He was deeply concerned about a power part that might run out of all electrical power on his trans-Pacific flight. Regardless of his concerns, Sunny Airlines pressured him to fly the airplane over the ocean at night. When he refused to put the safety of his passengers at risk, Sunny Airlines' Security removed him out of the airport, and threatened to arrest his crew if they did not cooperate.

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