|
TOEFL Directory > TOEFL writing > TOEFL Listening Class Unit 2 Passage 21
TOEFL Listening Class Unit 2 Passage 21
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 1. What is the talk mainly about?
How light conditions affect the color of feathers The methods some birds use to hunt How the structure of a bird's eye compares to a human's The role UV light plays in birds' lives
2. What did the experiment with robins demonstrate?
They can distinguish red light from UV light. They can perceive very low levels of UV light. They cannot see UV light through a transparent filter. They experience discomfort in dim light conditions.
3. How is a bird's vision different from a human's?
A bird's eyes are less sensitive to color variation. A bird does not have receptors for the basic colors humans see. A bird can see a wider range of colors than a human can. A bird's distance vision is poor in dim light.
4. What did one experiment demonstrate about male birds?
UV light helps males identify the females. UV light makes the males appear larger. UV light enhances the color of the males' feathers. UV light helps males locate sites for nests.
5. What advantage does UV light provide hunting birds?
They can follow trails left by their prey. They can spot small animals from great distances. They can distinguish between poisonous and nonpoisonous animals. They can see well under cloudy conditions.
Listen to the passage again and check out the script and correct answers.
|