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TOEFL Directory > TOEFL writing > TOEFL Listening Class Unit 2 Passage 30
TOEFL Listening Class Unit 2 Passage 30
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.
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Ready ? Click to start listening
1. What is the main topic of the talk?
An effort to control a parasitic disease
The use of drugs in disease control
Causes of schistosomiasis in Kenya
The training of researchers who study parasites
2. What is the most common host for the
schistosome worm?
Humans
Crayfish
Snails
Cattle
3. How do the worms cause disease in humans?
By attacking the human nervous system
By laying eggs inside the human body
By infecting humans with bacteria
By depleting the calcium in the human body
4. Why might crayfish be effective in controlling
the worms?
They eat the worms.
They eat the worms' hosts.
They are rich in calcium.
They force the worms' hosts into the rivers.
5. What are two advantages of controlling the worms
with crayfish rather than the drug?
Click on 2 answers.
ڤ The crayfish do not harm any other wildlife.
ڤ The crayfish are less expensive to use.
ڤ The crayfish have already been proven effective.
ڤ The crayfish are a good source of calcium.
ڤ The crayfish might help prevent reinfection.
6. What does the speaker say about biological
agents, such as crayfish?
They have been used to fight parasitic
diseases for years.
They are unable to reduce the rate of any
disease.
They are less effective than drugs in
preventing disease.
They have not been used effectively to
control parasites before.
Listen to the passage again and check out the script and correct answers.
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