题目内容
There are warm tropic regions all over the globe, but only the Indians of the South American rain forests have formed the habit of sleeping in the open air. Long before they made the painful acquaintance（相识）with Europeans, they had invented something that was unique on earth: the hammock.
Nobody really knows who first had the bright idea of sleeping in the open air: the symbol of untroubled rest. The Indians see the hammock as a “gift” of heaven, something given to them a very long time ago.
In it the Indians pass away hot noon hours, napping or chatting. Swinging it to and fro（来回）creates a cooling breath of air and keeps away insects. They work and play in hammocks, and are born and die there.
Hung like a suspension bridge （吊桥） between heaven and earth, a hammock is dry while the soil is damp and is safe from most animals.
Hammocks have the advantage over beds in that they are easy to transport and take up very little space when they have been rolled up. The Indians never go on a journey without their hammock, not even to their plantations.
1.The word “hammock” in this passage means “________”.
A. a suspension cage which can be swung to and fro in the air
B. a seat hanging by two ropes from the branch or trees
C. a suspension bridge in the South American rain forest
D. a net hung between two supports and used as a bed
2.When was the hammock invented and by whom?
A. The Indians had invented the hammock long before they came to South America.
B. The Indians had invented the hammock long before Europeans came to South America.
C. The Indians had invented the hammock after they made acquaintance with the Indians.
D. The Indians had invented the hammock before they went to South America.
3.The Indians swing the hammock to ________.
A. pray to heaven for a gift.
B. keep away from wild flies, mosquitoes and other insects.
C. keep away wild animals.
D. fall asleep quickly.
提示：
1. 这个题问的是hammock的词义，从文章第二段和第三段可以明显猜出其意思； 2. 第一段的最后一句说：在远没有认识欧洲人，和他们打那些痛苦的交道之前，印度人就已经发明了hammock； 3. 吊床的主要作用是避免地上蚊虫、小动物的侵扰，并不能阻挡凶猛的大型动物。
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