- ---What__ Amy __?---She's writing an e-mail to her pen- friend.
- I'd like__ Kate soon.
- I'm eleven years old. My little sister is nine. So __?
- How __is the cinema from here?
- — What’ s he like ?— _______.
- Binbin gets up ____ about 8:30 _____ Saturdays.
- 设 A与 B为互不相容事件，则下列等式正确的是
- 如果曲线 y=f(x) 在点(x,y )处的切线斜率与 x2 成正比，并且此曲线过点 (1，-3 )和( 2，11)，则此曲线方程为
- 设 f(x)=xln(2-x)+3x2-2limx→1f(x),则 limx →1f(x) 等于
- 有限小数的另一种表现形式是
置顶