问题
选择题
计算x2﹣（x﹣5）（x+1）的结果，正确的是[ ]
A．4x+5
B．x2﹣4x+5
C．﹣4x﹣5
D．x2﹣4x+5
答案
答案：A
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计算x2﹣（x﹣5）（x+1）的结果，正确的是[ ]
A．4x+5
B．x2﹣4x+5
C．﹣4x﹣5
D．x2﹣4x+5
答案：A
I still remember father spent plenty of time teaching me how to pronounce a word, how to understand something that I saw for the first time and how to be polite to others. And I will never 31 one sentence my father used to say to me, “I love you, son. Say you love me, son.” 32 , I would scream, “I love you, Dad.” When I was growing up, I found that I had little in 33 with my father gradually. Sometimes we often argued about something sharply and then the argument changed into a 34 . I knew there was a gap between us. I didn’t 35 hearing the words “I love you” from my father the last time. To tell you the truth, I couldn’t honestly remember 36 I had last said those words to him, either. Now father was in hospital. The doctor said it was 37 and he needed an operation at once, 38 he wasn’t sure whether my father was able to 39 it. Everything in my childhood 40 in my mind. Then I called and said, “Dad, I love you!” There was a 41 at the other end and he replied coldly, “Well, I love you, too!” I 42 and said, “Dad, I know you love me, and when you are 43 , I know you will say what you want to say.” Fifteen minutes later my mother called and 44 asked, “Paul, is everything OK?” A few weeks later I was working when I received my father’s call. “Paul, I love you.” I was so 45 that my tears rolled down my cheeks. Perhaps both of us 46 that this special moment had 47 our relationship to a new level. A short while after this special moment, my father finally narrowly 48 death following the heart operation. I can’t 49 that if I didn’t take the first 50 and Dad did not survive the surgery, what kind of life I would lead now.
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