猜你喜欢
- 1“还”字有几种读音?
- 2while walking walking the dog ,you were careless and it got loose and was hit by a car
- 3如图 E,F分别为四边形ABCD的对角线AC,BD的中点求:EF小于1/2(AB+CD)
- 4为什么老师说有give a talk on而没有talk on
- 5函数y=log1/2 (-2x+5x+3)的单调递减区间是_____.
- 6巧填单位名称,使等式成立.
- 7先化简,再求值.2x的立方+4x-1/3x的平方-(x+3x的平方+2x的立方)=
- 8小娟每天为妈妈泡一杯糖水.下面四天里,( )的糖水最甜
- 9信息技术给我们的生活带来了哪些方便
- 10今有H2和CO(体积比为1:2)的混合气体V L,完全燃烧时,所需要同条件O2的体积为( ) A.3V L B.2V L C.V L D.0.5V L