不等式|x-2|≤1的解集是______.
由不等式|x-2|≤1,
首先去绝对值可得到-1≤x-2≤1;
移项得:1≤x≤3
故答案为:[1,3].
A “bowline” is used to().
A.join lines of equal size
B.form a temporary eye (loop) at the end of a line
C.be a stopper
D.keep a line from fraying
“自古逢秋悲寂寥”的下一句是?