Cheese, Dogs and Malaria Pills (Listening)

1) What is the main topic of the lecture?

A) Ways that the spread of a disease can be prevented.
B) Various methods by which malaria spreads.
C) The connection between different mosquitoes and different types of malaria.
D) Differences between different types of mosquitoes.


2) At 2:31, why does the speaker say, "Well, in Africa, we have the equivalent of 7 jumbo 747s crashing everyday"?

A) He is comparing plane crashes in the United States and Africa.
B) He wants the listeners to understand the scale of the problem he is discussing.
C) He believes that plane crashes are a more serious problem in Africa.
D) He is emphasizing that malaria is just as preventable as plan crashes.


3) Which of the following is true about mosquito larvae? (choose two answers)

A) It is easier to kill them than adult mosquitoes.
B) It is even easier for dogs to find people who have malaria than for them to find the larvae.
C) Dogs can be trained to find and kill them.
D) They have a special scent that allows people to find the pools that they live in.


4) Why does the professor stick his arm in a cage of mosquitoes?

A) To demonstrate how hungry the mosquitoes are.
B) To show the audience how fast the drug works.
C) To kill some mosquitoes for the audience.
D) To explain an effective way of killing mosquitoes.


5) Decide if each of the following statements is true or false.

i) Not all people are bitten equally by mosquitoes.
ii) Different types of mosquitoes are attracted to different parts of the body because they taste different.
iii) Certain types of cheese attract mosquitoes better than people.
iv) Dogs are effective at finding adult mosquitoes.
v) The pill that the professor demonstrates is also effective against larvae.