【单选题】

The people who lives in the far North are calledEskimos(爱斯基摩托车人). In the world of ice and snow it is (21) to grow plants for fooD、TheEskimos must hunt and fish during the whole year to (22) themselves and their families with fooD、

In winter, they hunt the seal(海豹) (23) the polar(极地的) bear. When they hunt the seal, they (24) a hole in the ice and try to (25) the seal when it comes up to breathe.
In summer, theEskimos hunt (26) animals, and they also hunt birds and catch fish.
(27) that is useful is saveD、TheEskimos use the meat from animals for fooD、They melt(融化) the fat from their bodies and use the (28) as fuel(燃料). They make tools out of animals bones. The skin and furs of animals are used for making clothing.
If anEskimo is (29) lucky, he may kill a whale(鲤鱼), (30) a dead whale may wash up on the shore near his house. The whale is an especially useful animal, because it gives a great (31) of oil.
There is (32) wood at all where theEskimos live.Eskimos (33) all their wood from the seA、Sometimes floating wood from places farther south washes up on the shore.
MostEskimo houses are (34) of stones. Instead of a door, there is a long, low tunnel (地道) (35) into the house. People have to crawl(爬) through the tunnel in order to enter the house.
A．and
B．or
C．otherwise
D．but