用方框中所给单词的适当形式填空，使短文正确、通顺，每次限用一次：（每题1分，共10分）

Everyone is talking about Bird Flu. Yes, it is a very ____1___ disease. It could make people sick. It will be a few months still before we have good ____2___ for Bird Flu. In order to(为了) ____3___ Bird Flu, we shouldn’t touch sick chickens or their droppings(粪便). So it is a good idea for people to keep ____4___ from live chickens. But if you do touch an ill bird, remember to wash your hands carefully with soap(肥皂) ____5___away. Also, don’t forget to open your windows often and ____6___ regularly(正常地). Getting ____7___ sleep is also very important for fighting ____8___. Try to keep away from people who have the ____9___, and always cover your mouth and nose when you  ____10___ or sneeze(打喷嚏).

肺循环血量增多，而左房、主动脉及体循环血量减少的先天性心脏病是()

A．室间隔缺损

B．房间隔缺损

C．动脉导管未闭

D．法洛四联症

E．肺动脉狭窄