. 全新版第二版综合B2U8-C
Part I Listening Comprehension ( 10 minutes )
Section A
Directions: In this section, you will hear ten statements. Numbers 1 to 6 are based on Text A while the rest are based on Text B. Each statement will be read ONLY ONCE. Listen carefully and decide whether each statement is true or false.
1. A) T B) F
Script: People came to fish the streams, which flowed clear and cold out of the hills and contained shady pools where trout lay.
正确答案： A 2. A) T B) F
Script: The doctors were not puzzled by new kinds of sickness appearing among their patients.
正确答案： B 3. A) T B) F
Script: There was now no sound; only silence lay over the fields and woods and marsh.
正确答案： A 4. A) T B) F
Script: There had been several sudden and unexplained deaths among adults and children.
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. 正确答案： A 5. A) T B) F
Script: Though the litters were small, the young survived, thus the farmers were still able to raise pigs.
正确答案： B 6. A) T B) F
Script: The people silenced the rebirth of new life in this stricken world themselves.
正确答案： A 7. A) T B) F
Script: The most alarming of all man's assaults upon the environment is the contamination of air, earth, rivers, and sea with dangerous and even lethal materials.
正确答案： A 8. A) T B) F
Script: Such a barrage of poisons called \the surface of the earth without making it unfit for all life.
正确答案： B 9. A) T B) F
Script: Chemicals sprayed on croplands lie short in the soil without entering into living organisms.
正确答案： B 10. A) T
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. B) F
Script: One in six countries in the world face food shortages because of severe droughts.
正确答案： A
Section B
Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is read for the third time, you should check what you have written.
Most people have (11)_________________ environmental pollution in the form of an open garbage dump. However, pollution can also be (12)_________________ . Some kinds of pollution do not actually dirty the land, air, or water, but they reduce the quality of life for people and (13)_________________ . For example, noise from (14)_________________ and machinery can be considered forms of pollution.
Environmental pollution is one of the most (15)_________________ problems facing humanity. Badly polluted air can cause (16)_________________ illnesses. Some air pollutants have reduced the capacity of the atmosphere to (17)_________________ the sun's harmful ultraviolet (18)_________________ . Many scientists believe that these and other air pollutants have begun to change (19)_________________ around the world. Ocean pollution (20)_________________ many marine organisms.
Script: Most people have witnessed environmental pollution in the form of an open garbage dump. However, pollution can also be invisible. Some kinds of pollution do not actually dirty the land, air, or water, but they reduce the quality of life for people and other living things. For example, noise from traffic and machinery can be considered forms of pollution.
Environmental pollution is one of the most serious problems facing humanity. Badly polluted air can cause life-threatening illnesses. Some air pollutants have reduced the capacity of the atmosphere to filter out the sun's harmful ultraviolet radiation. Many scientists believe that these and other air pollutants have begun to change climates around the world. Ocean pollution endangers many marine organisms.
正确答案： witnessed
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