短文填空。

     Dogs are very good pets. They are very (1)f             to people and very beautiful, too. Most dogs get

on well with (2)c              and their parents. Others are good watchdogs because they cry loudly when a

strange (陌生的) person (3)a             .

     When you buy a dog, an important thing to think about is its (4)s              -buy a small dog if your

home is small and a bigger one if (5)y              is larger. Many people don't know what to feed their dogs.

Dogs eat (6)a              anything! They like meat, rice and lots of other things. You can buy lots of food

made for (7)d              in shops. Don't let your dog eat too much. Feed it only once a day. Always leave

some (8)c               water for your dog. It can get (9)t              very quickly, especially in summer. 

     Remember that dogs need (10)e             . You should take it for a walk every day. Don't keep your

dog inside all day.

女性，32岁，近1年来活动后气急，两肺中下部听到响亮的小泡音，胸部CT示双肺中下肺网状阴影，双侧少量积液。PaO₂64mmHg，PaCO₂35mmHg，此病人最适当的治疗为（）。

A.抗生素

B.糖皮质激素

C.支气管扩张剂

D.持续高流量吸氧

E.肺泡灌洗