骆驼毛绒有哪些特征？
参考答案：
颜色较浅，光泽弱，手感滑柔，弹性和强度好，保暖好，耐磨性好。
计算：-22×（-5）+16÷（-2）3-|-4×5|
I won't go to see the film tonight, because I ______ my ticket.[ ]
A. losted
B. have lost
C. will lose
D. didn't lose
