It doesn't take a rocket scientist long time to figure out that there are better things you could do for your health than take deep breaths on a smoggy（烟雾的）day. A growing pile of research suggests that even relatively low levels of air pollution may be more harmful than previously realized, to both heart and lungs(肺). The latest articles from researchers, published this week in the New England Journal of Medicine, focuses on how particulate (微粒) matter from air pollution affects lung function.
“The effect of low levels of particulate pollution found in many urban areas is not unlike secondhand smoke,” experts say. Studies show that short-term effects from particulates include diminished（减少） lung function, coughing, wheezing, and heart attacks. Long-term exposure can also slow normal lung growth, damage lung airways, and increase the risk of dying from lung cancer.
Certain populations, such as the very old and the very young, are the most vulnerable to air pollution. However, even the most alarming studies conducted in the most polluted areas suggest that the average person's individual risk from exposure (暴露) is very slight. Relative risk numbers often seem more frightening than they actually are. For example, an earlier study published in the New England Journal of Medicine found that short-term exposure to traffic fumes tripled ( 成为3倍) the risk of heart attacks in heart-attack survivors.
Short of moving to the countryside or at least away from busy roads, shielding yourself from the effects of air pollution is not easy. Masks won't work. “At the very least,” suggests Murray Mittleman, a cardiologist at Harvard University, “people who regularly exercise outdoors near highways may want to consider remapping their route.”
66. What does the underlined sentence in the first paragraph mean?
A. Rocket scientists are making researches on people’s health.
B. It's obvious that air pollution has a bad effect on people’s health.
C. People aren't sure whether taking deep breaths on a smoggy day is bad.
D. People often have a hard time when taking deep breaths on a smoggy day.
67. The word "vulnerable" in Paragraph 3 probably means _________.
A. easy to be hurt            B. easy to be protected
C. easy to be used            D. easy to be saved
68. The main idea of Paragraph 3  is _________.
A. that even small risk from particulate causes big problems
B. that air pollution often leads to heart attack
C. who are most likely to get affected
D. that we shouldn't worry about the average low risk
69. In order to be healthier, you'd better _________.
A. take deep breaths         B. wear a mask   
C. live in a countryside       D. clean the busy road
70. The passage is written in a(n) _________ tone.
A. subjective         B. humorous     C. doubtful      D. objective

It doesn't take a rocket scientist long time to figure out that there are better things you could do for your health than take deep breaths on a smoggy（烟雾的）day. A growing pile of research suggests that even relatively low levels of air pollution may be more harmful than previously realized, to both heart and lungs(肺). The latest articles from researchers, published this week in the New England Journal of Medicine, focuses on how particulate (微粒) matter from air pollution affects lung function.

“The effect of low levels of particulate pollution found in many urban areas is not unlike secondhand smoke,” experts say. Studies show that short-term effects from particulates include diminished（减少） lung function, coughing, wheezing, and heart attacks. Long-term exposure can also slow normal lung growth, damage lung airways, and increase the risk of dying from lung cancer.

Certain populations, such as the very old and the very young, are the most vulnerable to air pollution. However, even the most alarming studies conducted in the most polluted areas suggest that the average person's individual risk from exposure (暴露) is very slight. Relative risk numbers often seem more frightening than they actually are. For example, an earlier study published in the New England Journal of Medicine found that short-term exposure to traffic fumes tripled ( 成为3倍) the risk of heart attacks in heart-attack survivors.

Short of moving to the countryside or at least away from busy roads, shielding yourself from the effects of air pollution is not easy. Masks won't work. “At the very least,” suggests Murray Mittleman, a cardiologist at Harvard University, “people who regularly exercise outdoors near highways may want to consider remapping their route.”

66. What does the underlined sentence in the first paragraph mean?

A. Rocket scientists are making researches on people’s health.

B. It's obvious that air pollution has a bad effect on people’s health.

C. People aren't sure whether taking deep breaths on a smoggy day is bad.

D. People often have a hard time when taking deep breaths on a smoggy day.

67. The word "vulnerable" in Paragraph 3 probably means _________.

A. easy to be hurt            B. easy to be protected

C. easy to be used            D. easy to be saved

68. The main idea of Paragraph 3  is _________.

A. that even small risk from particulate causes big problems

B. that air pollution often leads to heart attack

C. who are most likely to get affected

D. that we shouldn't worry about the average low risk

69. In order to be healthier, you'd better _________.

A. take deep breaths         B. wear a mask   

C. live in a countryside       D. clean the busy road

70. The passage is written in a(n) _________ tone.

A. subjective         B. humorous     C. doubtful      D. objective

It doesn't take a rocket scientist long time to figure out that there are better things you could do for your health than take deep breaths on a smoggy（烟雾的）day. A growing pile of research suggests that even relatively low levels of air pollution may be more harmful than previously realized, to both heart and lungs(肺). The latest articles from researchers, published this week in the New England Journal of Medicine, focuses on how particulate (微粒) matter from air pollution affects lung function.

“The effect of low levels of particulate pollution found in many urban areas is not unlike secondhand smoke,” experts say. Studies show that short-term effects from particulates include diminished（减少） lung function, coughing, wheezing, and heart attacks. Long-term exposure can also slow normal lung growth, damage lung airways, and increase the risk of dying from lung cancer.

Certain populations, such as the very old and the very young, are the most vulnerable to air pollution. However, even the most alarming studies conducted in the most polluted areas suggest that the average person's individual risk from exposure (暴露) is very slight. Relative risk numbers often seem more frightening than they actually are. For example, an earlier study published in the New England Journal of Medicine found that short-term exposure to traffic fumes tripled ( 成为3倍) the risk of heart attacks in heart-attack survivors.

   Short of moving to the countryside or at least away from busy roads, shielding yourself from the effects of air pollution is not easy. Masks won't work. “At the very least,” suggests Murray Mittleman, a cardiologist at Harvard University, “people who regularly exercise outdoors near highways may want to consider remapping their route.”

66. What does the underlined sentence in the first paragraph mean?

    A. Rocket scientists are making researches on people’s health.

    B. It's obvious that air pollution has a bad effect on people’s health.

    C. People aren't sure whether taking deep breaths on a smoggy day is bad.

    D. People often have a hard time when taking deep breaths on a smoggy day.

67. The word "vulnerable" in Paragraph 3 probably means _________.

     A. easy to be hurt             B. easy to be protected

     C. easy to be used             D. easy to be saved

 68. The main idea of Paragraph 3  is _________.

      A. that even small risk from particulate causes big problems

      B. that air pollution often leads to heart attack

      C. who are most likely to get affected

      D. that we shouldn't worry about the average low risk

 69. In order to be healthier, you'd better _________.

A. take deep breaths         B. wear a mask   

C. live in a countryside       D. clean the busy road

70. The passage is written in a(n) _________ tone.

A. subjective         B. humorous      C. doubtful      D. objective

       Thinking is something you choose to do as a fish chooses to live in water. To be human is to think. But thinking may come naturally without your knowing how you do it. Thinking about drinking is the key to critical（判断性的）thinking. When you think critically, you take control of your thinking processes（过程）. Otherwise, you might be controlled by the ideas of others. Indeed, critical thinking is at the heart of education.

       The word “critical” here has a special meaning. It does not mean taking one view against another view, as when someone criticizes another person for doing something wrong. The nature of critical thinking is thinking beyond the easily seen-beyond the pictures on TV, the untrue reports in the newspapers, and the faulty reasoning.

       Critical thinking is an attitude as much as an activity. If you are curious about life and desire to dig deeper into it, you are a critical thinker. If you find pleasure in deep thinking about different ideas, characters, and facts, you are a critical thinker.

       Activities of the mind and higher-order reasoning are processes of deep and careful consideration. They take time, and do not go hand in hand with the fast speed in today’s world: fast foods, instant coffee, and self-developing film. If you are among the people who believe that speed is a measure of intelligence（智力）, you may learn something new from a story about Albert Einstein. The first time Banesh Hoffman, a scientist, was to discuss his work with Albert Einstein. Hoffman was too nervous to speak. But Einstein immediately put Hoffman at ease by saying, “Please go slowly. I don’t understand things quickly.”

72．Critical thinking is important to us because if we do not think critically, _______.

       A．it will be hard for us to think naturally and fast

       B．we might be controlled by other people’s ideas

       C．we will follow the ideas of others naturally

       D．we might be footed by other people’s ideas

73．If you are a critical thinker, you will ________.

       A．think deeply about different ideas   B．trust the reports in the newspapers

       C．take one view against another view D．criticize other people for their mistakes

74．In the last paragraph, “something new” suggests that ________.

       A．the smarter you are, the faster you do things

B．the faster you do things, the smarter you become

C．speed can improve intelligence

D．intelligence is not decided by speed

75．What would be the best title for the passage?

       A．Thinking and Critical Thinking.     B．Understanding Critical Thinking.

       C．Thinking Is Natural and Human.    D．Thinking Fast Means Intelligence.

Thinking is something you choose to do as a fish chooses to live in water. To be human is to think. But thinking may come naturally without your knowing how you do it. Thinking about drinking is the key to critical（判断性的）thinking. When you think critically, you take control of your thinking processes（过程）. Otherwise, you might be controlled by the ideas of others. Indeed, critical thinking is at the heart of education.
The word “critical” here has a special meaning. It does not mean taking one view against another view, as when someone criticizes another person for doing something wrong. The nature of critical thinking is thinking beyond the easily seen-beyond the pictures on TV, the untrue reports in the newspapers, and the faulty reasoning.
Critical thinking is an attitude as much as an activity. If you are curious about life and desire to dig deeper into it, you are a critical thinker. If you find pleasure in deep thinking about different ideas, characters, and facts, you are a critical thinker 。
Activities of the mind and higher-order reasoning are processes of deep and careful consideration. They take time, and do not go hand in hand with the fast speed in today’s world: fast foods, instant coffee, and self-developing film. If you are among the people who believe that speed is a measure of intelligence（智力）, you may learn something new from a story about Albert Einstein. The first time Banesh Hoffman, a scientist, was to discuss his work with Albert Einstein. Hoffman was too nervous to speak. But Einstein immediately put Hoffman at ease by saying, “Please go slowly. I don’t understand things quickly.”
73. Critical thinking is important to us because if we do not think critically, _______.
A. it will be hard for us to think naturally and fast
B. we might be controlled by other people’s ideas
C. we will follow the ideas of others naturally
D. we might be footed by other people’s ideas
74. If you are a critical thinker, you will ________.
A. think deeply about different ideas    B. trust the reports in the newspapers
C. take one view against another view  D. criticize other people for their mistakes
75. In the last paragraph, “something new” suggests that ________.
A. the smarter you are, the faster you do things
B. the faster you do things, the smarter you become
C. speed can improve intelligence  
D. intelligence is not decided by speed
76. What would be the best title for the passage?
A. Thinking and Critical Thinking.          B. Understanding Critical Thinking.
C. Thinking Is Natural and Human.      D. Thinking Fast Means Intelligence.