—If a=4, b=5, what’s the answer to the question “ a + 2ab +1 =?”
— .
A. Forty-fifth B. Forty-five
C. Twenty-three D. One hundred and twenty-one
—If a=4, b=5, what’s the answer to the question “ a + 2ab +1 =?”
— .
A. Forty-fifth B. Forty-five
C. Twenty-three D. One hundred and twenty-one
B
【解析】本题考查对基数词和序数词的辨析。根据题意，-如果a=4，b=5，那么a+2ab+1=？-等于45。forty-fifth表示第45，forty-five表示45。故本题选B。