如生命受到威胁，又无逃生之路时怎么办？
参考答案：可以用绳索或将床单撕成条状连接起来，一端拴在固定物件上，再顺着绳索或布条滑下。
若（x+3）（x﹣2）=x2+mx+n，则m，n的值是 [ ]
A．m=5，n=6
B．m=1，n=﹣6
C．m=1，n=6
D．m=5，n=﹣6
— When do you often get up?
— I often get up at ______ in the morning. [ ]
A. half past six
B. six thirty
C. six o'clock
D. A & B
