Smoking is so harmful to health that it kills ______ each year than automobile accidents.
【正确答案】
B
【答案解析】本题考查倍数的其中一种表达法,即“倍数+more...than…”,正确表达为B。常见的倍数表达结构还有:①A is+倍数+the size(length,width,height,etc.)+of B;②A is+倍数+as+形容词+asB;③A is+倍数+形容词比较级+than B。