Listening – physical Sciences 02

According to the speaker, which of the following features correctly define “insects”?

Why did the speaker talk about the US economy and the effect of Iraq war on it?

Did the speaker say what eats the organism at the end of the food chain?

The speaker implies that lots of insects consumed in our diet come from;

The speaker discussed the price of gold in order to show that insets are;

Which of the following does the speaker say contribute to the problem of food shortage?

I. Population explosion
II. Habit of meat eating
III. Agricultural production
IV. FAO conference

The speaker persuades the audience to eschew meat and eat more insects because;

I. animals can be a disease vector while insects will not.
II. their production is more efficient.
III. their production is more environment-friendly.
IV. they contain as much essential nutrients as animals.

A new scientific evidence shows that locust has some nutritional similarity to shrimps. This evidence;

The speaker imply that 20% of human population don’t eat insects because of

Which of the following English words does the speaker mispronounce?