五 阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式
Have you ever heard of Gu Fangzhou? He's known 1. ______ "the father of sugar pills(糖丸)". Once he said, "I spent my whole life 2. ______ (do) one thing."
The famous scientist was born in 1926. His family faced 3. ______ difficult time with the sudden death of his father. After finishing his study in Peking University, Gu made the decision 4. ______ (work) to help improve public health.
In 1955, polio(小儿麻痹症) broke out in Nantong, Jiangsu Province. It made 1,680 people disabled. Nearly over half of them were children aged below seven. It spread to neighbouring areas and made 466 people die. The government 5. ______ (ask) Gu to lead polio research in 1957. "At that time the only way to stop polio was to invent a vaccine," said Gu.
In 1959 Gu succeeded in developing the 6. ______ (one) polio live vaccine. Later, he developed the "sugar-coated pill" vaccine in the early 1960s. It not only tasted better but was cheaper and easier to keep. In order to test the vaccine, Gu 7. ______ (he) tried the vaccine and later his one-month-old son was vaccinated. This encouraged his team to try the vaccine 8. ______ their kids. "If we don't believe in what we produce, 9. ______ can others believe in it?" said Gu.
Slowly, the sugar-coated polio vaccine was made in China. It saved millions of people, 10. ______ (especial) kids, from being disabled. In 2000, the WHO said that China was already a polio-free country. "We feel satisfied. I can tell people that I have tried my best, and your kids will no longer get polio," said Gu.
读后词汇拓展 猜出第五大题中画波浪线单词的词性和中文意思,并收入自己的小

as
; doing
; a
; to work
; asked
; first
; himself
; on
; how
; especially

读后词汇拓展 猜出第五大题中画波浪线单词的词性和中文意思,并收入自己的小词典。
1. disabled ______
2. vaccine ______

adj. 残疾的
; n. 疫苗