As the volcano erupts in Iceland, more
and more people are beginning to concern about the damage volcanic eruption
brings. Then, let us learn the influence of volcanic eruption
together. We all know that air pollution has an effect on the
world’s average air temperature. Scientists declare that volcanic eruption leads
to weather changes, which is similar to air pollution. How will volcanic
eruption impact on weather Volcanic eruption throws hundreds of millions tons
of ash into the stratosphere. The ash from a volcano spreads in a few days.
However, this is not the end. The ash will remain in the air for years. Hereby,
all the ash turns incoming solar radiation into space, which cools the
earth. The eruption would affect every level of ecosystem, from
worms to primates. The problem is not only the physical destruction A. Pollution causes a drop in the world’s average air temperature. B. Solar radiation will causes a drop in the air temperature. C. The ash of volcanic eruption will last for a long time. D. The ash in the stratosphere has no direct influence on people on land.
[单项选择] Directions: You will hear
three dialogues or monologues. Before listening to each one, you will have 5
seconds to read each of the questions which accompany it. While listening,
answer each question by choosing A, B, C or D. After listening, you will have 10
seconds to check your answer to each question. You will hear each piece once
only.
Questions 11—13 are based on the
following passage. You now have 15 seconds to read Questions
11—13. | In the USA, how many children smoke every day A. two fifths B. 63 percent C. About one in five D. 63,000
[单项选择]
Questions 17—20 are based on the
following passage. You now have 15 seconds to read questions
17—20. | Why does the speaker say that radiation is similar to radio waves A. Because both of them can be detected by human senses. B. Because both of them can be sensed by a radio receiver. C. Because both of them are harmful. D. Because both of them can only be detected by devices.
[填空题] Directions: This section
is designed to test your ability to understand spoken English. You will
hear a selection of recorded materials and you must answer the questions that
accompany them. There are THREE parts in this section, Part A, Part B and Part
C. Remember, while you are doing the test, you should
first put down your answers in your test booklet. At the end of the listening
comprehension section, you will have 5 minutes to transfer all your answers from
your test booklet to ANSWER SHEET 1. If you have any
questions, you may raise your hand NOW as you will not be allowed to speak once
the test has started. Now look at Part A in your test
booklet. {{B}}Part A{{/B}}
Directions: For Questions 1—5, you
will hear a brief introduction to Scotland. While you listen, fill out the
table with the information you have heard. Some of the inform
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