Task 3
Listening Aids
asphalt (n.): 沥青，柏油
You are going to hear how cities can change our climate.
Complete the following summary of the passage.
I. Low temperature in _____________
Reason: ______________________ help to cool the area around them.
II. High temperature in cities
A. Warm night
Reasons: 1. Cities are builtof asphalt, __________, _________ and __________.
2. Streets and buildings _____________________________________________.
B. _________________
Reasons: The heat set off from ________ and ________ warms cities even in winter.
III. How cities influence global climate
A. Global climate may get cooler, for _____________________________.
B. Global climate may get warmer, which may cause
1. ________________________________________________________.
2. Cities near oceans __________________________________________.
Task 4
Listening Aids
foul (adj.): (BrE) foul weather is stormy and windy, with a lot of rain or water
Pharisee (n.): 法利赛人（公元前2世纪至公元2世纪犹太教的一派，标榜墨守传统礼仪）
In this part, you'll learn to predict weather from the "red sky".
A. Choose the best answer to each of the following questions.
1) Which of the following statements is true according to the article?
a) Red sdy in the morning means that the weather is going to change.
b) Red sky at dusk means that good weather is coming.
c) Red sky in the morning means that the weather will be good.
d) Red sky at dusk means that the weather is going to be bad at night.
2) What is meant by a "weather predictor" here?
a) A person who predicts weather.
b) An apparatus by which people predict weather.
c) A natural phenomenon which helps people to predict weather.
d) A weather service station.
B. Fill in the blanks with what you hear on the tape.
Red sky at _________, sailors' __________.
Red sky at _________, sailors take _________.
Or
Evening red and morning _________,
sends the traveler on his _________.
Evening gray, morning _________,
brings the rain down on his _________.
C. Decide whether the following statements are true (T) or false (F) according to the tape.
1) A red sky is caused by dust particles. [ ]
2) A high pressure system brings in dry weather, while a low pressure system brings in moisture. [ ]
3) If there is a red sun in the morning, bad weather is on the way. [ ]
Task 10
Listening Aids
Lhasa: 拉萨（中国西藏自治区）
plummet (v.): suddenly and quickly decrease in value or amount
Dictation
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