试述先天性肛门闭锁的临床表现，诊断依据，治疗原则?

完型填空。（本题10小题，每小题1分，共10分）
Welcome to Wenzhou  1, everyone! Let me  2  you many different animals today. Listen! Many  3  are singing in the tree. Can you see some monkeys? They are clever and like  4  bananas. Look! There are many koalas. They  5  from Australia. They are quiet,  6 and cute. Children like them. Oh, there’s a tiger in the cage（笼子）7  the tree. It eats a lot of  8  every day. I like pandas best  9   they live only in China. Animals are our friends, we should take care of （照顾）them. I’m  10  you’ll have a good time here.

小题1:	A．hospital B．zoo C．farm D．school

小题2:	A．talk B．say C．tell D．speak

小题3:	A．giraffes B．lions C．chicken D．birds

小题4:	A．eat B．eats C．eatting D．eating

小题5:	A．comes B．come C．is come D．is

小题6:	A．friendly B．scary C．dangerous D．bored

小题7:	A．under B．on C．in D．／

小题8:	A．grass B．leaves C．meat D．bamboos

小题9:	A．and B．because C．so D．but

小题10:

A．sorry B．ready C．sure D．good