新理念外语网络教学平台第二版综合答案B2U8-C

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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.

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

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

正确答案:invisible

正确答案:other living things

正确答案:traffic

正确答案:serious

正确答案:life-threatening

正确答案:filter out

正确答案:radiation

正确答案:climates

正确答案:endangers

Part II Reading Comprehension ( 25 minutes )

Section A

Directions: In this section, there is a passage with several blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. You may not use any of the words in the bank more than once.

Then a strange blight 21 the area and everything began to change. Some evil spell had 22 the community: mysterious maladies 23 the flocks of chickens; the cattle and sheep sickened and died. Everywhere was a 24 of death. The farmers spoke of much illness among their families. In the town the doctors had become more and more 25 by new kinds of sickness appearing among their patients. There had been several sudden and 26 deaths not only among adults but even among children, who would be 27 suddenly while at play and die within a few hours.

There was a strange 28 . The birds, for example — where had they gone? Many people spoke of them, puzzled and disturbed. The feeding stations in the backyards were 29 . The few birds seen anywhere were moribund; they

30 violently and could not fly. It was a spring without voices.

A) sweeping B) unexplainable C) swept D) unexplained E) stricken F) shadow G) stillness H) trembled I) deserted J) settled down K) shook L) threw M) crept over N) settled onO) puzzled

21. ______________________

正确答案: M

22. ______________________

正确答案: N

23. ______________________

正确答案: C

24. ______________________

正确答案: F

25. ______________________

正确答案: O

26. ______________________

正确答案: D

27. ______________________

正确答案: E

28. ______________________

正确答案: G

29. ______________________

正确答案: I

30. ______________________

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