|
TOEFL Directory > TOEFL writing > TOEFL Listening Class Unit 1 Passage 29
TOEFL Listening Class Unit 1 Passage 29
First of all, you need to know what is TOEFL listening Pattern. Second, in the course of listening, just pay attention on what you know, if you missed something, just let it go . don't try to figure out what you missed . Finally, after finishing the passage, don't go answers immediately. use about 5 seconds to review the passage specially last two sentence. then go answers one by one. don't saty in one question for a long time.
you need RealPlayer to play the audio clip. You can download RealPlayer Plus here.
Ready ? Click to start listening 186. What is the talk mainly about?
Potential warning signs from nature The ecological consequences of a volcanic eruption Predicting weather from animal activity The overpopulation of amphibians
187. How are woolly worms sometimes used to predict winter weather?
By measuring the length of the worms By counting the worms By measuring the worms' fur By watching how the worms prepare their nests
188. What does the speaker imply about frogs?
They are moving to higher altitudes. Their numbers are decreasing all over the world. They have always had difficulty adapting to new conditions. New species continue to evolve.
189. According to the speaker, why is the phenomenon described in the talk so troublesome?
There is no good explanation for it. It is occurring very slowly. Its causes are irreversible. It is caused by pollution.
190. Why does the speaker mention dinosaurs?
To demonstrate the consequences of a change in climate To give an example of an extinct animal group To compare amphibians to a kind of reptile To emphasize how long amphibians have been in existence
Listen to the passage again and check out the script and correct answers.
|