四级练习2013.02.21
[audio]http://sound.yywz123.com/tingbbs/cet4/cet420130221.mp3[/audio]Did you know that there is a kind of bird that can sew?This bird, called the tailor bird,uses its mouth as a needle.It sews the leaves together in a shape of a cup.(1)_______________________.The most common materials used for nests are grasses, branches and feathers.A bird must weave these materials into a nest.(2)_______________________.The weaver bird builds its nest that looks like a basket.The nest is shaped like a pear with a hole in the middle.The hole is the door of the nest.A third bird is called the oven bird.The oven bird makes a nest that is very solid.The nest is made of mud.The oven bird forms the mud into the shape of an oven and then lets it dry in the sun.The sun bakes the mud, making it very hard.Not all birds make their homes in branches.(3)_______________________.And some birds do not build nests at all.So when you look for nests and eggs in the branches of the trees and bushes,remember that some nests may be right under your feet.
**** Hidden Message ***** 怎么感觉四级比六级还难啊？
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