共用题干 The Roadrunner

The roadrunner（走雀）lives in the desert zone of the southwestern United States and
northern Mexico._________(1)People gave it its name because they usually see it
running across a road,but of course,it spends more time among the plants of the desert
than it does on roads.
The roadrunner is quite a large bird一about 45 centimeters long and 25 centimeters
high._________(2)It holds its head straight out in front and its tail sticks straight out in
back.It takes long steps and can run 30 kilometers an hour.
It eats an amazing variety of food.Although it eats plants once in a while,it is mostly a
meat eater. Most of its diet is insects,but it also catches birds,mice,and other small
animals.It is even brave enough to catch snakes and black widow spiders（蜘蛛）.
_________(3)When he finds one,he gives her presents一a snake to eat or a tiny
branch of a tree to use in building a nest.Then they build their nest,the female lays eggs,
and they raise their young.
_________(4)One couple in Arizona feeds a pair of roadrunners that come once at
a time every day and make a noise outside the window.If someone doesn"t give the bird a
piece of hamburger immediately,the bird knocks on the window with its beak（喙）.
Roadrunners are not shy.
_________(5)They will stand on a chair or table and watch television,and they
seem really interested in what is happening on the program. _________（3）