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Different kinds of birds build different kinds of nests. Birds build nests in all sorts of places

英语试题 05-07
阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Different kinds of birds build different kinds of nests. Birds build nests in all sorts of places, from on the ground to high up in trees and on the sides of mountains. Some birds make nests 61 float on water in wet areas. The materials birds use to build nests depend on the 62 (surround) area.
The reason birds make nests is to have a 63 (protect) place to lay their eggs in and take care of young birds after they hatch. When building a nest, birds try not to be seen. They do not want 64 (danger) animals to see 65 their eggs are. However, if you watch 66 (close), you may be able to see birds carrying 67 (branch) and other things to build their nests with.
Most birds nest during the spring and early summer of each year. They raise their babies in quite a short time. They lay the eggs, and then keep them warm for three to four weeks.
After they hatch, many young birds learn to fly in 68    _ little as ten days. Some birds return to the same nest year after year if they 69    (raise) their young successfully in it before.
Often, there are old and new nests in the same tree. This 70    (confuse) animals which are
looking for baby birds to eat.


答案
61.that / which 62. surrounding 63. protected / protective 64. dangerous 65. where 66. closely
67. branches 68. as 69. have raised 70. confuses
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