设集合A={x|﹣1≤x≤2},B={x|0≤x≤4},则A∪B=( ).
{x|﹣1≤x≤4}
Don't say any more; we all believe the facts than your words. What you have explained doesn't make
_____. [ ]
A. sense
B. fun
C. use
D. meaning
光通过胶体溶液所引起的散射为()。