猜你喜欢
- 1若两个有理数的商是正数,和为负数,则这两个数
- 2已知a+b.a-b的值,则a的平方加 b的平方等于多少?ab等于多少
- 3Tom birthday party is Juil 5th怎么改错
- 4鉴别苯,四氯化碳和甲酸
- 5一块橡皮泥放入水中是沉的,有什么办法能让橡皮泥浮起来?
- 6Many people were standing together in a street at a busy hour. In the m _____ of the crowd there was an English lady. Sh
- 7写带有'龙'字的词语
- 8如果一个圆锥的高与一个圆柱的高相等,圆锥的底面积是圆柱底面积的3倍,则圆锥的体积与圆柱的体积相等.
- 9we took pictures in the park.划线部分是took pictures.怎样改?
- 10已知人能辨别的最小声音间隔是0.1S若某人对着高墙大喊能听到回声,则他距离墙的最小距离是多少.