题目内容：
根据下列文章,请回答题。The Roadrunner
The roadrunner(走雀)lives in the desert zone of the southwestern United States and northern Mexico____________ (46) 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-about ____________ (45) centimeters long and 25 centimeters high．____________ (47) 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)．
____________ (48)When he finds one，he gives her presents—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．____________ (49) 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．
____________ (50)They will stand on a chair or table and watch television，and they seem really interested in what is happening on the program．
A．Roadrunners can also become friendly with people．
B． People laugh when it runs because it looks SO funny．
C．It is a bird．but it can only fly about as much as a chicken can．
D．In early springthe bird doesn’t eat anything
E．Another couple feeds a pair of roadrunners that go right into the house．
F．In the springa male roadrunner begins looking for a female as a mate．
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