Most of the flowers in nature are red, orange and yellow. If we have seen a black flower, it’s a chance in a million.
People have made a census (普查) to colors of mor e than four thousand kinds of flowers and discovered that only eight of them are black.
As we know, sunlight is formed by seven different colored lights.The wave length of each light is different, so the quantity of heat in each light is also different. Flowers, especially their petals, are easy to be harmed by light temperature.
Black flowers can take in all the light waves which cause the flowers to dry up in the high temperature. So black flowers can rarely survive sunlight. But red flowers, yellow flowers and orange flowers can protect themselves from sunlight by reflecting the red light, yellow light and orange light, each of which has a large quantity of heat.
1. It is _____ to see a black flower.
A. impossible     B. seldom          C. common       D. no chance
2. From the passage we know that _______.
A. black flowers are so weak that it is difficult for them to grow up.
B. there are only eight black flowers in nature
C. sunlight is formed by seven different colored lights, so the wave length of each light is different
D. black flowers can take in the light of all the wave length which makes them dry up because of high temperature
3. Which of the following ideas is WRONG?
A. People have found that only a few kinds of flowers are black.
B. Flowers are easy to be harmed by very high temperature.
C. Red, orange and yellow flowers can also take in the light of all wave lengths.
D. The black flowers can’t protect themselves from sunlight.

Many immigrants(移民) to the United States find the decision to seek better lives for their families in America can have an unexpected and tragic consequence(后果). Deep differences with their children develop over language and culture.

“Many immigrants arrive here without much education. Their kids soon gain language skills and also street marts(耍时髦) on how to live in America, leaving the parents at a disadvantage,” Ileana , Roses, pastor of a Methodist church group operating in Virginia, said.

“Not only that but they find they cannot relate to children who quickly absorb American culture,” she said.

According to the US Census Bureau(人口调查局), the number of foreign born or first generation Americans reached 55 million last year, a record one in five of the total population.

A government survey of 922 immigrants in 2000 found that nearly 40 percent of those who had been in the United States for more than 15 years would still like to take English classes if they had the time.

Two thirds of low income households depended on their children for translation.

Psychologists(心理学家) and sociologists say parents can lose their position of authority(权威) in a family as a result and the effects of that can be far-reaching.

Children exposed to American pop culture that glorifies(颂扬) youth and sexuality(性感) often rebel when their parents try to impose the conservative values they brought with them.

“Americanization erodes(侵蚀) all important aspects of parenting,” said Richard Weissbourd, who teaches education at Harvard University.

“I feel a part of me is dying with my children. They don’t listen to my music. I have to play it on Sunday morning when they are not around,” said an immigrant.

What troubles the immigrant parents most is ___________.

A. that they can’t understand the English language

B. that they lose their position of authority in their families

C. that their children have lost sense of their own national values

D. how they can master the English language as soon as possible

From the passage we can infer that the population of the states at present is about____.

A. 275 million    B. 220 million   C. 255 million   D. smaller than 250 million

Which of the following is true according to the passage?

A. All the immigrants had expected the troubles they would meet before they went to the US.

B. Two thirds of immigrant families are low income households.

C. American culture shows a spirit against conservative social and cultural values.

D. American pop culture puts the immigrant families at a disadvantage.

Which of the following is probably the title of the report?

A. The Result of the US Census

B. The Differences Between Parents and Children in the US

C. The Troubles of the American Immigrants

D. Role Reversal(颠倒) Troubles Many Parents and Children

请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意：每个空格只填1个单词。请将答案写在答题卡上相应题号的横线上。

Health researchers have noticed that some groups of people are more consistently healthy than others, and wondered… Is it race? Income? Where you live? In the United States, these disagreements in health outcomes have been the focus of intense research for the past several decades.

Harvard University health policy researcher Ellen Meara says scholars have found some clues as to why some groups of people have more or less disease than others. She says one important factor in people’s health is the amount of education they have.

In her most recent paper, Meara looked at data from the United states census. These counts of people occur every 10 years. Meara and her colleagues examined data from several decades.

“We looked at life expectancy(预测寿命) at age 25,” Meara says.

“How many additional years can you expect to live if you arrive at age 25 and your education has stopped at high school, or sooner? Versus how many years, can you expect to live if you’ve reached aged 25 and you’ve gone on to at least some college…”

Meara says they found that in 1990, a 25-year-old who only had some secondary school could expect to live for a total of 75 years. In 2000, a 25-year-old with some secondary education could also expect to live to the age of 75.

In contrast, for a better educated 25-year-old, they could expect to live to the age of 80 in 1990. Someone with a similar education level in the year 2000, could expect to live to be more than 81 years, 81.6 years to be exact.

Meara says, not only do better-educated people live longer to begin with, but in the past ten years, more educated people have made gains in the length of their lives. Meanwhile, the life expectancy hasn’t changed for less educated people.

Some of these gains can be explained. Meara says researchers know that people who are more educated are more likely to quit smoking cigarettes, or not start at all, compared to people with less education.

“I think it’s a reminder not to be satisfactory,” Meara says. “Just because a population overall appears to be getting healthier, it doesn’t always mean that those advantages and successes that many people have enjoyed really extend into all parts of the population. And I think that’s something to really pay attention to regardless of whether you live in the US or elsewhere.”

Meara points out that education can often determine income---people with more education frequently make more money. This makes them aware of health care, and purchase other resources and services that can keep them healthier. But the data on income do NOT show that people who make more money are automatically healthier.

Meara says education is key. People need to be educated in order to take advantage of opportunities for better health.

Most of the flowers in nature are red, orange and yellow. If we have seen a black flower, it’s a chance in a million.

People have made a census (普查) to colors of mor e than four thousand kinds of flowers and discovered that only eight of them are black.

As we know, sunlight is formed by seven different colored lights.The wave length of each light is different, so the quantity of heat in each light is also different. Flowers, especially their petals, are easy to be harmed by light temperature.

Black flowers can take in all the light waves which cause the flowers to dry up in the high temperature. So black flowers can rarely survive sunlight. But red flowers, yellow flowers and orange flowers can protect themselves from sunlight by reflecting the red light, yellow light and orange light, each of which has a large quantity of heat.

1. It is _____ to see a black flower.

A. impossible     B. seldom          C. common       D. no chance

2. From the passage we know that _______.

A. black flowers are so weak that it is difficult for them to grow up.

B. there are only eight black flowers in nature

C. sunlight is formed by seven different colored lights, so the wave length of each light is different

D. black flowers can take in the light of all the wave length which makes them dry up because of high temperature

3. Which of the following ideas is WRONG?

A. People have found that only a few kinds of flowers are black.

B. Flowers are easy to be harmed by very high temperature.

C. Red, orange and yellow flowers can also take in the light of all wave lengths.

D. The black flowers can’t protect themselves from sunlight.

Most of the flowers in nature are red, orange and yellow. If we have seen a black flower, it’s a chance in million. People have made a census ( 普查 ) to colors of more than four thousand kinds of flowers and discovered that only eight of them are black. As we know, sunlight is formed by seven different colored lights. The wave length of each light is different, so the quantity of heat in each light is also different. Flowers, especially their petals ( 花瓣 ) , are easy to be harmed by high temperature. Black flowers can take in all the light waves which cause the flowers to dry up in a high temperature. So black flowers can rarely survive sunlight. But red flowers, orange flowers and yellow flowers can protect themselves from sunlight by reflecting the red light, orange light and yellow light, each of which has a large quantity of heat.
【小题1】It is _________ to see a black flower.