题目

直线与圆相交于M、N两点，若的取值范围是   （    ） A．          B． C．          D． 答案：C 阅读理解 　　He was struggling(费劲)to tie his shoes．I was struggling with whether I should help him． 　　I did, and he was grateful． 　　“Thank you,”he said． 　　“I'm glad I could help．I just thought it would be easier for me to reach,”I said． 　　He was a disabled man, and forced to look down most of the time．His arms and legs were twisted(扭曲的)terribly, and he couldn't do what the rest of us would consider easy tasks．He always managed to look up to see how you reacted(反应)to his words, however．He had a big smile, making me feel comfortable． 　　I was still on my knees by his wheelchair． 　　“Nice shoes,”he said． 　　“Thanks．No one ever complimented me on them before,”I said． 　　“No one has the same view of the world as I do,”he replied． 　　“Tell me about the world as you see it,”I said smiling． 　　“Most people can see if someone is comfortable with them or not in their eyes．I see it in their feet．”he said．“If people keep moving their feet, I just let them go, because I know they're impatient with me．I don't want to make people uncomfortable． 　　“What about me?I asked． 　　“I could see your compassion．And then you came down to my level．I was the one who was nervous．”he said．“I don't normally have someone look me in the eye．” 　　“They don't know what they're missing,”I told him． 　　“My old face is nothing to brag(自夸)about．”he said． 　　“But that smile is so big．” 　　Yes, and it's not only a big smile but an attitude． (1) The disabled man knew people were impatient mostly by their ________． [　　] A． words B． eyes C． feet D． smile (2) The unlined word compassion is the closet in meaning to ________． [　　] A． attention B． pity C． trust D． duty (3) We learn that the disabled man ________． [　　] A． had great difficulty looking after himself B． always asked people for help C． couldn't have a big smile D． liked to talk about people's shoes (4) The writer felt comfortable because ________． [　　] A． he had a nice talk to the man B． the man looked him in the eye C． he didn't move his feet before the man D． the man had a big smile on the face (5) We can infer from the passage that ________． [　　] A． the disable man had something wrong with his mind B． not many people went down to the man's level C． the man was good at telling people about the world D． the writer would not give the man move help