Most people have no idea of the hard work and worry that gointothe collecting of those fascinating birds and animals that they pay to see in the zoo.One of the questions that is always asked of me is 1 I became an animal collector in the first 2.The answer is that I have always been interested in animals and zoos.According to my parents, the first word I was able to say with any 3 was not the conventional “mamma” or “daddy”,4 the word “zoo”, which I would 5 over and over again with a shrill 6 until someone, ingroupsto 7 me up, would take me to the zoo.When I 8 a little older, we lived in Greece and I had a great 9 of pets, ranging from owls to seahorses, and I spent all my spare time 10 the countryside in search of fresh specimens to 11 to my collection of pets.12 on I went for a year to the City Zoo, as a student 13 , to get experience of the large animals, such as lions, bears, bison and ostriches,14 were not easy to keep at home.When I left, I 15 had enough money of my own to be able to 16 my first trip and I have been going 17 ever since then.Though a collector's job is not an easy one and is full of 18 ,it is certainly a job which will appeal 19 all those who love animals and 20. 请在8处填上正确答案()
A. grew
B. was growing
C. grow
D. grow
患儿女,8岁,体检发现心脏有杂音,活动后乏力、气促,无杵状指,胸骨左缘第2肋间可闻及Ⅲ级响亮喷射性全收缩期杂音,伴收缩期震颤。X线示肺野缺血,肺动脉总干膨出。经超声心动图和右心导管检查,证实为肺动脉瓣狭窄。其狭窄部位最可能的诊断为()
A. 肺动脉瓣狭窄
B. 肺动脉瓣与漏斗部联合狭窄
C. 肺动脉瓣下狭窄
D. 肺动脉分支狭窄
E. 以上都不是