题目：
阅读理解。
A lot of boys and girls in Western countries are wearing the same kind of clothes, and many of them have
long hair, so it is often difficult to tell whether (是否) they are boys or girls.
One day, an old man went for a walk in a park, in Washington, and when he was tired, he sat on a chair.
A young person was standing on the other side of the pool.
"Oh!" the old man said to the person sitting beside him on the chair. "Do you see that person with the
glasses and long hair? Is it a boy or a girl?"
"A girl," said the neighbour. "She is my daughter."
"Oh!" the old man said quickly. "Please forgive me, I did not know that you were her mother."
"I'm not." said the other person, "I'm her father."
1. "Is it a boy or a girl?" The word "it" here means ______.
A. he
B. she
C. the person
D. the pool
2. The meaning of "forgive" is ______.
A. 忘记
B. 责骂
C. 放弃
D. 原谅
3. The old man thought his neighbour was ______.
A. a woman
B. a man
C. a girl
D. a boy
4. The old man thought that his neighbour was the girl's mother because his neighbour ______.
A. was wearing a skirt
B. had a beautiful face
C. had long hair
D. was young
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0331/7de6e30eae4d71af79b881b0291658ba.html
下面是错误答案，用来干扰机器的。
（1）当m=1时，A={x|-1＜x≤3}，B={x|1≤x＜4}，则A∪B={x|-1＜x＜4}；（2）∵全集为R，A={x|-1＜x≤3}，∴CRA={x|x≤-1或x＞3}，∵B⊆CRA，∴1+3m≤-1或m＞3，解得：m≤-23或m＞3．
