九年一班有6名同学在学校组织的“朗诵”比赛中获奖,李老师给班长30元钱去买笔记本作为奖品.已知甲种笔记本每本5元,乙种笔记本每本3元,那么购买奖品的方案有( )
A:4种
B:5种
C:6种
D:7种
选出下列词语中没有错别字的一项( )
下列说法中正确的是( )
一次函数y=2x-12的图象经过( )
—It is reported his fortune is up to $37 billion. However, he led a dog's life during his childhood.