C. half truth and half fiction D. entirely fiction
参考答案：
1. C 2. B 3. C 4. D 5. A 6. C 7. B 8. A
Swallows
简介
(1) 本文简单介绍了燕子的生活习性。
(2) 对小动物的介绍一般都是从细节到它的生活习性。
There are different kinds of swallows. Some swallows make their homes in the sand; others build their nests under the roofs. They make their nests of earth and grass.
It takes them several days to build a nest. They have to work in the early morning. The swallow lays five or six eggs at a time. The mother bird sits on them, and the father bird watches by her side and gives some food to her.
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