听下面一段较长对话,回答以下小题
17. What is Lisa’s project about?
A.Why people feed on insects. |
B.Including insects in people’s diets. |
C.How insects affect humans’ food sources. |
D.Using insects to develop healthy eating habits. |
18. According to Lisa, what is generally recognized?
A.Eating insects is still considered to be something unusual. |
B.Food coloring made from insects are safer than thought. |
C.Insects can help human beings to fight against starvation. |
D.Britain is looking for ways to put insects into sensible use. |
19. According to Lisa, why did people in prehistoric times eat insects?
A.They didn’t find insects disgusting. | B.They were used to cooking insects. |
C.Some types of insect tasted delicious. | D.Finding insects was easier than hunting. |
20. What can be learned about Lisa from the conversation?
A.She hasn’t eaten a whole insect. |
B.She has conquered her fear of insects. |
C.She is trying to make flour from insects. |
D.She doesn’t consider insects a source of protein. |