题目内容

书面表达

“文明是一面镜子,折射出一座城市的品质”。西安作为一座古老的城市在创建国际化大都市的过程中,离不开精神文明建设。在你身边有哪些不文明现象?作为中学生,我们应该从哪些方面做起,为文明城市的建设出一份力?请根据提示词,以“Let’s help Xi’an be better”为题,号召全体中学生共创美好西安。

提示词:spit 吐痰; respect; traffic rules; volunteer; collect the trash; plant trees; clean the streets; an environmental project….

要求:1. 不少于70词(开头已给出,不计入总词数);

2. 文中不得出现真实的姓名和校名;

3. 语言流畅、书写规范、卷面整洁。

Let’s help Xi’an be better

Our city is making its effort to become an international city. But in our daily life, we find_____________

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Many people travel to different places in the world by air. Usually it takes a long time, perhaps half a day, for passengers to stay in the plane. So airlines offer passengers food. But it is common that they feel bad about food taste. Do you agree?

To solve this problem , airlines try hard to improve their food. They would like to do so because they don’t want to lose customers.

However, according to scientific research, part of the reason why plane food tastes bad is that at high altitude( 海拔 )we can not taste things as well as we do on the ground. Also scientists have found that our noses become very dry even before a plane takes off. As the plane moves up, the change in air pressure( 气压 ) reduces one third of the sensibility(感觉 )of our taste buds( 味蕾 ).So our taste buds become senseless. The sad face, however, is that our noses don’t know it.

All of these help explain why food on the plane tastes so bad. They also help explain why airlines choose to offer passengers salty and spicy( 辛辣 )food. Without doing so, the food would be tasteless.

Now there are many researches on this. According to one of them, some volunteers are asked to lie with their feet higher than their heads for weeks. And scientists write down their feelings about food taste.

Though scientists try their best, it is not as easy as they thought. Because they can’t deal with the special environment successfully, such as the change in air pressure, making food taste good is still hard for them.

1.In Paragraph2,“this problem” means _______.

A. passengers stay long in the plane

B. food on the plane tastes bad

C. passengers have no food to eat

D. food on the plane is expensive

2.Why do scientists feel it hard to made food on the plane taste good?

A. The volunteers don’t know about food taste.

B. The volunteers don’t understand them.

C. They can’t find enough volunteers.

D. They can’t deal with the special environment successfully.

3.What is the best title of the passage?

A. Taste of Airplane Food

B. Airplane Travel

C. Scientific Research on Noses

D. The Change in Air Pressure.

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