题干
—Mary is very clear and studies very hard.
— she stands out in almost all her subjects that she learns.
— she stands out in almost all her subjects that she learns.
A：No doubt
B：No problem
C：No way
D：No wonder
答案(点此获取答案解析）
D
的焦点在
轴上，长轴长是短轴长的两倍，则
的值为（ ）