猜你喜欢
- 1i played the guitar last weekend.对played the guitar提问 ___ ____ ___last weekend?
- 2以知不共线向量a,b的夹角小于120度,且|a|=1,|b|=2,向量c=a+2b,求|c|的取值范围
- 3改病句:天上有无数的星星和月亮
- 4Jim worked hard.F___,he won the first prize in the match.
- 5已知正比例函数y=ax和反比例函数y=b/x在同一坐标系中两图象无交点,则a和b的关系是_.
- 6你最喜欢什么花?这种花有什么特点?你对这种花有什么感情?起.请你用简短的几句话写下来.
- 7抛物线y=-x2上的点到直线4x+3y-8=0距离的最小值是( ) A.14 B.43 C.85 D.3
- 8Every day at 3 o'clock 12B plays piano这句英语里面的12B是什么意思?
- 9设函数f(x)=(x-1)sinx+e^x求其导数和微分
- 10Look!Here's the picture of my room.This is my backpack,some ____ (book) are in it and you can ____ (see) a desk.I put ba