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---Sorry, I won’t have time to go shopping with you this afternoon.

--- But you ________ to do that yesterday.

A. ordered B. promised C. realized D. knew

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Deciding what to wear in the morning is a challenge for some people.We often worry about what others will think of us because of our clothes. But researchers are beginning to think that our clothing has an equally powerful effect on how we see ourselves.

Scientists Adam Galinsky and Hajo Adams report that there is science behind our style. In their research，Galinsky and Adams had some participants(参与者)wear white lab coats similar to the ones scientists or doctors wear. Other participants wore their normal clothes. The participants took a test that surveyed their ability to pay attention. In the experiment，participants saw cards with different-colored words on them. They had to say the color of the word they saw，not the word itself. The people wearing the white lab coats said the correct color of the word more often.

Galinsky and Adams think that the white coats made the participants feel more confident and careful. The researchers also believe that other kinds of "symbolic" clothes can influence the behavior of the people wearing them. A police officer's uniform or a judge's robe，for example，increases the wearer's feelings of power or confidence. And in workplaces that have a dress code，"symbolic" clothes may also affect how well employees do their jobs.

Fashion blogger Jessica Quirk believes that our clothes greatly affect how we feel about ourselves. According to Quirk，"There is joy and luck and confidence in what we wear. " On her blog called "What I wore，" Quirk posts a photo of what she's wearing every day. She says that people should pay more attention to what they wear. For example，we should choose a look that makes us feel more creative and happy. One way to do this at work is to "dress up for the exciting job we want，" she says，"not the boring job we have. " Another way is to wear special clothes that mean something to us. For example，Quirk wears one special pair of shoes to all her important meetings. They are her "lucky" shoes.

As Quirk points out-and as researchers have discovered-our clothes are "like our second skin. " The clothes we wear can affect our behavior. They can also tell the world something about us，without us having to say a word.

1.What do you think Paragraph 2 is mostly about?

A. Descrbing an experiment. B. The opinions of a blogger.

C. A record of two scientists. D. Advice from two scientists.

2.What happened in Galinsky and Adams' experiment? Put the steps into the correct order.

a. participants looked at the words each written in a different color.

b. the researchers counted the correct items.

c. the participants said the colors，not the words.

d. the researchers gave some participants white coats to wear.

A. d，c，a，b B. d，a，c，b C. b，a，c，d D. b，c，a，d

3.What is the main idea of the passage?

A. The clothes we wear can affect how we feel.

B. The clothes we wear should be symbolic.

C. The clothes we wear make us feel more powerful.

D. The clothes we wear can affect what others think of us.

Some of my classmates are in the playground and the rest _______in the classroom.

A. is B. were C. was D. are

Human beings’ brains can produce new ideas while computers cannot.

A. create B. protect C. get

—I don’t understand why you didn’t go to the lecture yesterday afternoon.

—I’m so sorry. But I my homework.

A. had done B. was doing C. would do D. am doing

–Look！She is one of Hollywood’s greatest actresses.

–Well, of course she is famous, but I think the dress she’s wearing is ugly one.

A. /, a B. the, an C. the, a D. /, an

Death Valley，one of America's great national parks，is a place of strange and silent beauty. As beautiful as this place is, its name provides evidence(迹象)of very real danger. Death Valley is a land of beautiful yet dangerous extremes. There are mountains that reach more than 3，000 meters into the sky. "There is a place called Badwater that is the lowest area of land in the Western Hemisphere. If there were water there，it would be 86 meters below the level of the ocean.

Death Valley can be dangerously cold during the winter months. Storms in the mountains can produce sudden flooding on the floor of the Valley. The air temperature during the summer has been as high as 57℃. The sun can heat the ground so that the temperature of the rocks and soil can be as high as 74℃. The extreme heat of Death Valley has ever killed people. It will continue to kill those who do not honor this extreme climate. Death Valley does not forgive those who are not careful.

Death Valley is a good example of the violence(暴力)of nature. It contains evidence of several ancient volcanoes that caused huge explosions. Evidence of one of these explosions is called Ubehebe Crater. The explosion left a huge hole in the ground almost a kilometer and a half wide.

In many areas of Death Valley it is easy to see where the ground has been pushed up strongly by movement deep in the Earth. This movement has created unusual and beautiful rock formations. Some are red. Others are dark brown，gray，yellow or black. Other areas of rock look as if some huge creature heavily broke and twisted the Earth to create unusual, sometimes frightening shapes.

In other parts of Death Valley there are lines in the rock that show clearly that this area was deep under an ocean for many thousands of years. Much of the alley is flat and very dry. In fact, scientists believe it is the driest place in the United States.

Death Valley, part of the Great Mojave Desert, is a huge place. It extends more than 225 kilometers across the southern part of California, and across the border with Nevada.

1.Which of the underlined word "twisted" in Paragraph 4 most possibly means .

A. 提供 B. 引起 C. 延伸 D. 扭曲

2.Which of the following statements is TRUE according to the passage?

A. The water in Badwater is 86 meters below the level of the ocean.

B. The highest air temperature in summer can reach as high as 74℃.

C. There might have been sea-born lives living in Death Valley.

D. The ground has been pushed up hard by explosions of volcanoes.

3.Why were some people killed by Death Valley?

A. Because they didn't respect Death Valley and thus they were punished.

B. Because several volcanoes broke out and caused huge explosions.

C. Because they were not careful enough to take with them what they needed.

D. Because it is very hot in summer and dangerously cold in winter.

---Jane , your bedroom is so dirty .

--- Sorry, I’ll _________ .

A. clean up it B. clean it up

C. clean them up D. clean up them

Henry’s parents don’t allow him in the river, because it is very dangerous.

A. swim B. swimming C. to swim D. swims

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