Read the following paragraph and underline the topic sentence.

Incidentally the word astronomy (天文学) comes from the Greek word astron, which means star. Actually, there are many interesting origins of words that are linked to the stars or planets. The word disaster, for example, comes from the Latin dis- aster meaning bad star. We sometimes call a crazy or strange person a lunatic (疯子), which is from the word lunar meaning moon -it was believed that the moon could make some people crazy, especially a full moon. Finally, the word influenza, or flu, comes from the Latin influentia. It was believed the illness was caused by unfavorable star influences. And of course we call famous singers or film actors stars in recognition of the lucky stars that have brought them fame and fortune.

Write a letter of complaints according to the following situation: You bought desk from a store last week, and you find there are some problems with it. Write a letter to the sales manager of the store to complain about the problems and request a solution. Please sign your name as Li Fei. (150-200 words)

There are few places on Earth where people need not be concerned about flooding Any place where rain fulls is vulnerable. Drought can also cause great damage. A flood occurs when water overflows land that's normally dry. This can happen in various ways. In most cases, foods occur when rivers or streams overflow their banks. Coastal flooding occurs when a large storm or tsunami (海啸) causes the sea to surge inland. Most floods take hours or even days to develop, giving residents ample time to prepare or evacuate. Others develop quickly and with little warning. Excessive rain or rapid ice melting in the mountains is also an ideal source for generating electricity. These flash floods can be extremely dangerous, instantly turning a murmuring brook into a thundering wall of water and sweeping everything in its path downstream.

A、 Summarizing skills are also used in providing the major points of a decision- making process giving background information on a student, describing an exciting sporting event- he list goes on.

B、 In this age in which our students are growing up, summarizing becomes an even more important processing, skill.

C、 Summarizing is an essential life skill that every one of us should acquire. 

D、 The Information Age is an age with large quantities of easy-to access information

E、Think of all the times in everyday life we use summarizing skill

F、 If we don’t strengthen students' summarizing abilities, we are not preparing them well for the future.

G、We summarize in recapping (总结) a memorable day, telling about an interesting experience, giving the highlights of a business meting or an important email.

H、Without the ability to sort out and extract information, our students run the risk of being overwhelmed in a sea of data.

Read the following paragraph and underline the topic sentence.

Incidentally the word astronomy (天文学) comes from the Greek word astron, which means star. Actually, there are many interesting origins of words that are linked to the stars or planets. The word disaster, for example, comes from the Latin dis- aster meaning bad star. We sometimes call a crazy or strange person a lunatic (疯子), which is from the word lunar meaning moon -it was believed that the moon could make some people crazy, especially a full moon. Finally, the word influenza, or flu, comes from the Latin influentia. It was believed the illness was caused by unfavorable star influences. And of course we call famous singers or film actors stars in recognition of the lucky stars that have brought them fame and fortune.

Read the following paragraph and choose the best topic sentence from the four options that follow. Write the corresponding let of your choice on the answer sheet.

The brain is very sensitive to the level of energy in the light that passes through the eyes, with different colors of light carrying different amounts of energy. According to a recent research, blue suggest harmony and relaxation it is the color of nature in relaxed form and it encourages social communication. Orange and yellow suggest a positive future, the point being that the color of signs surrounding roadwork is clearly meant to encourage frustrated drivers to think beyond the current delays. It is the same case with shapes. A triangular(三角的) sign has points and represents danger, which is why the shape is used for warming signs. Rectangular (矩形的) signs are the same shape as a book and therefore give information. Round signs are instructional. They look like the end of a pointing finger giving you an instruction.

A、 Certain shapes used in road signs are meant to convey specific information.

B、Bright colors could encourage communication and evoke positive emotions.

C、Different colors and shapes may create different reactions in the human brain.

D、Different levels of energy in the light provoke different psychological reactions

Online sopping is very popular among college students, it is easy, convenient, and often not very expensive.

Choose the best topic sentence from the four options below. Write the corresponding letter of your choice on the answer sheet.

A、The private automobile has aft our life in various ways.

B、The late 19908 witnessed a 20% rise in private car ownership.

C、Luxury cars of this kind wasn’t popular in that part of the country.

D、Cars increase the cost of living and lead to a rise in traffic accident.

This is the city which I worked thirty years ago.

Example: After seeing an offensive mouthwash ad on television. I resolved never to buy that brand again.

After seeing an offensive mouthwash ad on television, I resolved never to buy that brand again.

11、When I met Gracie in 1923, she was a young woman. Living in New York City alone.

Friends are people who come together to learn and grow with one another, to lighten each other's roads and brightening each other’s days.