词汇运用
A)根据题中中文提示，写出所缺的词。
His illness is the ______ (结果)of eating too much junk food.
Mr. Green ______( 出售 ) his house and then traveled to Egypt.
I love plants, birds and animals. I enjoy the ______(自然) world.
The Chinese_______（政府）makes some laws to protect rare birds.
A lot of people always ________ (咳嗽) because of smoking.