A. And much of that may need only to be heated before it is ready to eat.

B. Yet sometimes, they may eat the same foods.

C. In South America, there is a very poisonous plant.

D. You may have eaten some of the food yourself.

E. There are hot-dog stands on the islands of Sumatra as well.

F. Or you may live in a house.

A. wealthy

B. short

C. learn

D. consisted

E. only

F. already

G price

H. made

I. large

J. fight

K. fortune

L. worth

The third paragraph is mainly about

• A、the elements in the sea

• B、the weather on the sea

• C、the studies of the sea

• D、the sound under the sea