题目内容：

词汇运用

A)根据题中中文提示，写出所缺的词。

1.His illness is the ______ (结果)of eating too much junk food.

2.Mr. Green ______( 出售 ) his house and then traveled to Egypt.

3.I love plants, birds and animals. I enjoy the ______(自然) world.

4.The Chinese_______（政府）makes some laws to protect rare birds.

5.A lot of people always ________ (咳嗽) because of smoking.