My father became 91 （addict） to smoking cigarettes. As 92 result of smoking, he got lung cancer. And he was 93 danger of losing his life. His doctor didn’t all
Monarch butterflies from eastern Canada make the most amazing journey in the insect world. Each year, this butterfly travels about 3000miles to its winter home in central Mexico(墨西哥). How can it
，则下列不等式中，不成立的是（ ）
B． 
C.
D.
